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Unit Wise Short Answer Questions

The document outlines various concepts in electrical and electronics engineering across six units. Topics include definitions and explanations of circuits, electrical machines, energy sources, semiconductor devices, rectifiers, and digital logic. It also covers practical applications, components, and principles related to electrical systems and digital electronics.
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0% found this document useful (0 votes)
15 views3 pages

Unit Wise Short Answer Questions

The document outlines various concepts in electrical and electronics engineering across six units. Topics include definitions and explanations of circuits, electrical machines, energy sources, semiconductor devices, rectifiers, and digital logic. It also covers practical applications, components, and principles related to electrical systems and digital electronics.
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Unit-1

 Define a series-parallel circuit.


 State and explain Kirchhoff’s Law.
 What are the components of a simple electric circuit?
 What are passive components?
 Define form factor
 Define peak factor
 Describe about Resistor, inductor and capacitor.
 State superposition theorem.
 Explain the following terms a) Phase b) Phase difference C) Timeperiod
d)Frequency
 Write the Voltage and current relationship across the R, L and C.
 Explain about Impedance.
 Define the following terms Active, Reactive, and Apparent power.
 Draw the voltage-current relationship with phasor diagrams of R, L and C
components.

Unit-2
o Define Motor
o Define generator
o State the applications of electrical machines.
o List major parts of DC machines.
o Explain the function of the commutator in DC generator
o Define the step-up and step-down transformer
o Applications of the wheat stone bridge
o List major parts of the transformer.
o Applications of transformers
o Define Flemings left hand and right-hand principles
Unit-3
o List all conventional energy sources
o List all nonconventional energy sources
o Tabulate Conventional and non-conventional energy sources
o Define fuse and explain its working
o Define MCB and its working
o Need for Earthing in electrical circuits
o List the merits and demerits of Fuse and MCB
o List the types of earthing.
o List the measures to avoid electrical shock

Unit-4
o Tabulate the major milestones of the evolution of electronics
o Draw the symbols of the PN junction diode
o Draw the symbol of the Zener diode
o Draw the symbols of PNP and NPN transistor
o Draw the circuit diagrams for transistor three configurations.
o Define the saturation.
o Define active region.
o Define Cutoff regions.
o Define avalanche breakdown.
o Define Zener break diode.
Unit-5

Explain about Peak inverse voltage (PIV) of the diode.


What is rectifier?
What is regulator?
What do you mean by ripples in rectifier output?
Draw the diagram of the Bridge rectifier
Define the ripple factor
Define the efficiency of a rectifier circuit.
Need for filters in regulator power supply
What is the numerical value of the ripple factor of the bridge rectifier?
How much is the efficiency of the bridge rectifier?

Unit-6
List all the logic gates and draw their symbols and truth tables
Discuss the specialty of NAND and NOR gates
Tabulate the octal equivalent of Decimal digits 0 to 7
Tabulate the Hexa decimal equivalent of decimal values 0-15.
Tabulate the Excess-3 equivalent of decimal digits 0-9
Tabulate the Gary code equivalent of Decimal digits 0-9
How to convert a given binary number into its equivalent gray code.
Generate the even parity hamming code for the given binary number 1000
Tabulate the BCD equivalent for decimal digits 0-9
Need for error detecting and correcting codes.
List the all-flip flops in digital electronics.
Define counter.
Define register.
14.Define combinational and sequential digital circuits.

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