1.
In the following circuit reading of voltmeter V is
(a) 12 V (b) 8 V (c) 20 V (d) 16 V
2. Five resistances are combined according to the figure. The equivalent resistance between the point X
and Y will be
(a) 10 (b) 22 (c) 20 (d) 50
3. What will be the equivalent resistance of circuit shown in figure between points A and D
(a) 10 b) 20 (c) 30 d)40
4. In the network shown in the figure each of resistance is equal to 2. The resistance between A and B
is
(a) 1 b) 2 (c) 3 d)4
5. Seven resistances are connected as shown in figure. The equivalent resistance between A and B is
(a) 3 b) 4 (c) 4.5 d)5
6. Four resistances 10 , 5 , 7 and 3 are connected so that they form the sides of a rectangle AB,
BC, CD and DA respectively. Another resistance of 10 is connected across the diagonal AC. The
equivalent resistance between A &B is
(a) 2 (b) 5 (c) 7 (d) 10
7. The equivalent resistance between A and B in the circuit will be
5 6 7 8
(a) 4
𝑟 (b) 5 𝑟 (c) 6 𝑟 (d) 7 𝑟
8. In the combination of resistances shown in the figure the potential difference between B and D is zero,
when unknown resistance (x) is
(a) 4 (b) 2 (c) 3(d) The emf of the cell is required
9. A current of 2 A flows in a system of conductors as shown. The potential difference (VA – VB) will be
(a) + 2V (b)+ 1V (c) – 1 V (d)– 2 V
10. Three resistances each of 4 are connected in the form of an equilateral triangle. The effective
resistance between two corners is
3 8
(a) 8 (b) 12 (c) 8(d) 3
11. If each resistance in the figure is of 9 then reading of ammeter is
(a) 5 A (b) 8 A (c) 2 A (d) 9 A
12. A wire has resistance 12 . It is bent in the form of a circle. The effective resistance between the two
points on any diameter is equal to
(a) 12 (b) 6 (c) 3 (d) 24
13. If in the given figure i= 0.25 amp, then the value R will be
(a) 48 (b)12 (c) 120 (d) 42
14. Two uniform wires A and B are of the same metal and have equal masses. The radius of wire A is
twice that of wire B. The total resistance of A and B when connected in parallel is
(a) 4 when the resistance of wire A is 4.25 (b) 5 when the resistance of wire A is 4
(b) 4 when the resistance of wire B is 4.25 (d) 5 when the resistance of wire B is 4
15. In the following circuit E1 = 4V, R1 = 2E2 = 6V, R2 = 2and R3 = 4. The current i1 is
(a) 1.6 A (b) 1.8 A (c) 2.25 A (d) 1 A
16. Determine the current in the following circuit
(a) 1 A (b) 2.5 A (c) 0.4 A (d) 3 A
17. In the circuit shown in figure, find the current through the branch BD
(a) 5 A (b) 0 A (c) 3 A (d) 4 A
18. The figure shows a network of currents. The magnitude of current is shown here. The current iwill be
(a) 3 A (b) 13 A (c) 23 A (d) – 3 A
19. Consider the circuit shown in the figure. The current i3 is equal to
(a) 5 amp (b) 3 amp (c) – 3 amp (d) – 5/6 amp
20. A part of a circuit in steady state along with the current flowing in the branches, with value of each
resistance is shown in figure. What will be the energy stored in the capacitor C0
(a) 6 10–4J (b) 8 10–4J (c) 16 10–4J (d) Zero
21. In the following circuit the potential difference between P and Q is
(a) 15 V (b) 10 V (c) 5 V (d) 2.5 V
