Summative Test 1
th
4 Quarter General Physics 2
Name: ________________________________________________________________ Score: ___________
Parent Signature: _________________________________ Year and Section: _____________ Date: ____________
Multiple Choice: Read carefully each item. Choose the best answer. Write the corresponding CAPITAL LETTER of your
choice on the space provided.
______ 1. Which of the following is NOT one of the common ways for a neutral object to become charged?
A. Electrostatic discharge B. Friction C. Induction D. None of these choices
______ 2. What will happen if a rubber balloon and animal fur will be rubbed together?
A. There will be a transfer of proton C. The electron will be cancelled out
B. There will be a transfer of electron D. The charges will be transported directly to the dust in the air
______ 3. When charging by induction, the charged object ______________.
A. Should touch the object that is not charged.
B. Should be close to the object that is not charged.
C. 5 meters away from the object that is not charged.
D. Should be far away from the object that is not charged.
_____ 4. What will happen if two charges are different?
A. They will repel each other C. They will be in equilibrium
B. They will attract each other D. Nothing will happen
_____ 5. These law says that the magnitude of the electric force between two charged objects is directly proportional to
the charge on each object (symbolized by q 1and q2) and inversely proportional to the distance between the charges (r).
A. Coulomb’s law B. Gravitational Law C. Law of inertia D. Lenz’s Law
-9 -9
_____ 6. Two charges q1 =+3x10 C and q2=-5x10 C, separated by a diameter of 0.3m will produce a force of ______.
A. 1.5x10-6N B. 2.5x10-6N C. 3.5x10-6N D. 4.5x10-6N
_____ 7. Two charges q1 =+3x10-9 C and q2=-5x10-9C, separated by a diameter of 0.3m, what is the direction of the
forces?
A. Towards each other B. Towards the right C. Towards up D. Towards to the left
_____ 8. In case of two unlike charges the electric field lines point to negative to positive.
A. Partly true B. False C. Partly false D. True
_____ 9. Electric field lines always points from _________ to ___________.
A. Negative, positive B. positive, negative C. positive, positive D. negative, negative
-6
_____ 10. A charge of 5.0 x 10 C present in an electric field produces a force of 0.10N What is the intensity of the
electric field?
A. 17,000 N/C B. 18,000 N/C C. 19,000 N/C D. 20,000 N/C
_____ 11. A charge of 0.000045 C is placed in an electric field whose intensity is 10 x 10 6N/C. how strong is the force
acting on the charge?
A. 250 N B. 350 N C. 450 N D. 550N
_____ 12. Determine the charge of a point in an electric field of 8.5x10 5N/C and experienced an electric force of 5x10 -3N.
A. 6.2 x 10-10C B. 7.2 x 10-10C C. 8.2 x 10-10C D. 9.2 x 10-10C
_____ 13. An electric field of 500 N/C makes an angle of 30°with the surface vector, which has a magnitude of 0.50 m 2.
Find the electric flux that passes through the surface.
A. 216.5 N.m2/C B. 316.5 N.m2/C C. 416.5 N.m2/C D. 516.5 N.m2/C
_____ 14. A uniform electric field E = 5000 N/C passing through a flat square area A= 10m 2. Calculate the electric flux .
A. 40,000 N.m2/C B. 50,000 N.m2/C C. 60,000 N.m2/C D. 70,000 N.m2/C
_____ 15. A spherical ball has a radius of 0.5 m and electric charge is 10 x10 -9C in its center. Calculate the electric flux
pass through the spherical ball.
A. 1130.98 N.m2/C B. 1131.98 N.m2/C C. 1132.98 N.m2/C D. 1133.98 N.m2/C
Summative Test 2
3rd Quarter General Physics 2
Name: ________________________________________________________________ Score: ___________
Parent Signature: _________________________________ Year and Section: _____________ Date: ____________
Multiple Choice: Read carefully each item. Choose the best answer. Write the corresponding CAPITAL LETTER of your
choice on the space provided.
____ 1. Gauss law is applicable for ___________.
A. Point charge B. Line charge C. Sheet charge D. Point, line sheet charge
____ 2. “Total electric flux through any closed surface is equal to the charge enclosed by that surface divided by
permittivity”. This is the statement for?
A. Coulomb’s law B. Faraday’s law C. Gauss law D. Lenz law
____ 3. Electric flux density is a function of_______
A. Charge B. Current C. Voltage D. Volume
____ 4. As charge increases, what happens to flux density?
A. Becomes zero B. Decreases C. Increases D. Remains constant
____ 5. As area increases, what happens to electric flux density?
A. Becomes zero B. Decreases C. Increases D. Remains constant
____ 6. Strength of the electric field is ___________.
A. Directly proportional to the force applied B. Inversely proportional to the force applied
C. Directly proportional to the square of the force applied D. Inversely proportional to the square of the force applied
____ 7. The force applied to a conductor is 10N if the charge in the conductor is 5C, what is the electric field intensity?
A. 10V/m B. 2V/m C. 3V/m D. 15V/m
____ 8. What is the electric flux density in free space if the electric field intensity is 1V/m?
A. 7.76 x10-12C/m2 B. 8.85 x10-12C/m2 C. 1.23 x10-12C/m2 D. 3.43 x10-12C/m2
____ 9. The diagram below shows some of the lines of electrical force around a positive point charge. Point A is nearest
to the charge, point B is farther away, and point C is the farthest.
A. Greatest at point A B. Greatest at point B C. Greatest at point C D. Greatest at point A, B and C
____ 10. A solid conducting sphere is given a positive charge Q. How is the charge Q distributed in or on the sphere?
A. It is concentrated at the center of the sphere.
B. It is uniformly distributed throughout the sphere.
C. Its density decreases radially outward from the center.
D. It is uniformly distributed on the surface of the sphere only.
PROBLEM SOLVING 11-15 A hollow conducting sphere of radius 0.12 meters has a uniform charge distributed on its
surface. The electric field at a distance of 0.20 meters has a value of - 10 N/C. (A)How much charge is distributed on the
sphere? Use separate of paper for your answer.
SCORING RUBRICS FOR PROBLEM SOLVING
Summative Test 3
rd
3 Quarter General Physics 2
Name: ________________________________________________________________ Score: ___________
Parent Signature: _________________________________ Year and Section: _____________ Date: ____________
Multiple Choice: Read carefully each item. Choose the best answer. Write the corresponding CAPITAL LETTER of your
choice on the space provided.
1. Which of the following refers to a simple passive device that can store an electrical charge on their plates when
connected to a voltage source?
A. Capacitance B. Capacitor C. Diode D. Resistor
2. Which of the following is a special type of parallel plate capacitor in which the insulating dielectric layer is rolled
up between the plates?
A. Cylindrical capacitor B. Round capacitor C. Spherical capacitor D. Square capacitor
3. Which of these is formed by two concentric conducting spheres?
A. Cylindrical capacitor B. Round capacitor C. Spherical capacitor D. Square capacitor
4. Capacitors in series all have the same current so each capacitor stores the same amount of charge regardless of
its capacitance.
A. False B. Partly false C. Partly true D. True
5. In a parallel connection, the potential difference across each capacitor is the same as the potential difference
across the battery.
A. False B. Partly false C. Partly true D. True
SCORING RUBRICS FOR PROBLEM SOLVING
6-10. What is the capacitance of a parallel plate capacitor with metal plates, each of area 2.50 m 2, separated by 4.01
mm? What charge is stored in this capacitor if a voltage of 4.50 × 10 3 V is applied to it?
11-15. The capacitors have values C1 = 1.5 µF and C2 = 3.0 µF, C3 = 5.0 µF C4 = 7.0 µF and the potential difference across
the battery is 9.0 V. Assume that the capacitors are connected in series. Find the equivalent capacitance of the circuit
and solve for the potential difference across each capacitors.
Summative Test 4
rd
3 Quarter General Physics 2
Name: ________________________________________________________________ Score: ___________
Parent Signature: _________________________________ Year and Section: _____________ Date: ____________
Multiple Choice: Read carefully each item. Choose the best answer. Write the corresponding CAPITAL LETTER of your
choice on the space provided.
1. A dielectric is a nonconducting material that, when placed between the plates of a capacitor, increases the
capacitance.
A. False B. Partly false C. Partly true D. True
2. Dielectrics provide the following advantages, EXCEPT ________:
A. Increase in capacitance C. allows the plates to be close together without touching
B. Increase the maximum operating voltage D. All of the above
3. Voltage between the plates is measured in _________.
A. Farads B. Joules C. Volts D. None of the above
4. The capacitance is independent of Q or V.
A. False B. Partly false C. Partly true D. True
5. In the capacitor, the dielectric can be made out of all sorts of -------------- materials and the plates are made of a
------------- material.
A. conductive, insulating C. insulating, conductive
B. conductive, conductive D. insulating, insulating
SCORING RUBRICS FOR PROBLEM SOLVING
6-10 The plates of a parallel-plate capacitor are 3.50mm apart, and each carries a charge of magnitude 80.0nC. The
plates are in vacuum. The electric field between the plates has a magnitude of 5.00x10 6 V/m. What is the potential
difference between the plates?
11-15 You have five 20.0 F capacitors. Show all possible connections of all five capacitors to produce an equivalent
capacitance of (a) 4 F, (b) 70 F and (c) 25 F
Summative Test 5
rd
3 Quarter General Physics 2
Name: ________________________________________________________________ Score: ___________
Parent Signature: _________________________________ Year and Section: _____________ Date: ____________
Multiple Choice: Read carefully each item. Choose the best answer. Write the corresponding CAPITAL LETTER of your
choice on the space provided.
1. More charges are stored in a capacitor of higher capacitance.
A. False B. Partly false C. Partly true D. True
2. If doubling the voltage across a resistor doubles the current through the resistor, then
A. The resistor value decreased
B. The resistor value did not change
C. The resistor value increased
D. It is impossible to determine the change in the resistor value
3. The amount of charge flowing through a cross-sectional area of a wire per unit of time is called:
A. Voltage B. Power C. Resistance D. Work
4. Two identical resistors are connected in parallel across the terminals of a battery. If you increase the resistance of
one of the resistors, what happens to the current through and the voltage across the other resistor?
A. The current and the voltage increases.
B. The current and the voltage remain the same.
C. The current increases and the voltage remains the same
D. The current decreases and the voltage remains the same.
5. A cooler wire has less resistance than a warmer wire. Cooler particles have less kinetic energy, so they move more
slowly.
A. False B. Partly false C. Partly true D. True
SCORING RUBRICS FOR PROBLEM SOLVING
6-10 Find the total capacitance for three capacitors connected in series, given their individual capacitances are 2.000,
6.000, and 9.000 µF. (0.755µF)
11-15 A 100 m long aluminum wire has the same resistance and cross-sectional area as a carbon wire. What is the length
of the carbon wire?
16-20 Find the cost to run a 1200-watt microwave oven, if you make microwave popcorn in 6 minutes. (price per kWh is
13.267 cents)
Summative Test 6
rd
3 Quarter General Physics 2
Name: ________________________________________________________________ Score: ___________
Parent Signature: _________________________________ Year and Section: _____________ Date: ____________
Multiple Choice: Read carefully each item. Choose the best answer. Write the corresponding CAPITAL LETTER of your
choice on the space provided.
1. A 12-V battery, a 12-ohm resistor and a 4-ohm resistor are connected as shown. The current in the 12-ohm
resistor is ____ that in the 4-ohm resistor.
A. 1/3 B. ½ C. 2/3 D. three times
2. This component within a circuit that limits the flow of charge.
A. Capacitor B. Capacitance C. Resistor D. Resistance
3. Magnetism is an example of a type of ___________.
A. matter B. force C. compound D. light
4. The closer together a magnet's magnetic field lines are, ________.
A. the weaker the magnetic field
B. the stronger the magnetic field
C. the closer they are to disappearing
D. the closer they are to the magnet's center
5. What happens when a temporary magnet keeps its magnetism for a long time?
A. easily loses its magnetism C. has two north poles
B. realigned domain D. cannot be destroyed
SCORING RUBRICS FOR PROBLEM SOLVING
6-10 Calculate the RC time constant, τ of a circuit having a resistance of 20 MΩ and 3 010 𝜇F.
11-15 A wire of length 0.55 m carries a current of 15.0 A. The wire experiences a force of 4.8 N in the presence of a
magnetic field of 0.30 T. What is the angle between the magnetic field and the wire? Note: 𝐹𝐵 = 𝐼ℓ𝐵 sin Θ
Summative Test 7
rd
3 Quarter General Physics 2
Name: ________________________________________________________________ Score: ___________
Parent Signature: _________________________________ Year and Section: _____________ Date: ____________
Multiple Choice: Read carefully each item. Choose the best answer. Write the corresponding CAPITAL LETTER of your
choice on the space provided.
1. Who discovered that when a compass is placed near a wire, the compass needle deflects if (and only if) the wire
carries an electric current?
A. Hans Christian Oersted B. Han Christian Oersted C. Hans Oersted D. Christian Oersted
2. The direction of the magnetic field at a given location can be defined as the direction that the north pole of a
compass needle would point if placed at that location.
A. False B. Partly false C. Partly true D. True
3. What path does a charged particle travel when it moves parallel to the direction of a magnetic field?
A. Circular B. Helical C. Hysteresis D. Straight
4. The direction of the magnetic field produced by a current can be determine from the __________.
A. Right Hand rule B. Left Hand Rule C. Both D. Neither
5. The force on the moving charge depends on the particle’s velocity.
A. False B. Partly false C. Partly true D. True
SCORING RUBRICS FOR PROBLEM SOLVING
6-10. A wire that is 50 cm long is parallel to a 0.77-T uniform magnetic field. There is 6.6 A current through the wire.
How much force acts on the wire?
11-15. A high-speed electron having a mass of 7 × 10 -31 𝑘𝑔 is moving at right angle to 0.65-T magnetic field and has a
speed of 3.5 × 107 𝑚/𝑠. What is the size of the force acts on the high-speed electron? What is the magnitude of
acceleration of the particle?