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Worksheets

Circuit Clash Round 01

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Kirchhoff’s Voltage Law is based on the conservation of:

a)

Charge

b)

Energy

c)

Power

d)

Mass

2.

Kirchhoff’s Current Law states that the algebraic sum of currents at a node is:

a)

Maximum

b)

Minimum

c)

Unity

d)

Zero

3.

Voltage division rule is applicable only to:

a)

Parallel circuits

b)

Series circuits

c)

Mesh circuits

d)

AC circuits

4.

Current division rule is applicable only to:

a)

Series circuits

b)

Parallel circuits

c)

RLC circuits

d)

Mesh circuits

5.

In DC steady state, a capacitor behaves as:

a)

Short circuit

b)

Open circuit

c)

Resistor

d)

Inductor

6.

In DC steady state, an inductor behaves as:

a)

Open circuit

b)

Capacitor

c)

Short circuit

d)

Voltage source

7.

Mesh analysis is mainly based on:

a)

KCL

b)

Ohm’s Law

c)

KVL

d)

Superposition

8.

Nodal analysis is mainly based on:

a)

KVL

b)

KCL

c)

Ohm’s Law

d)

Power law

9.

Superposition theorem is applicable only to:

a)

Nonlinear circuits

b)

Linear circuits

c)

Magnetic circuits

d)

Digital circuits

10.

While applying superposition, an ideal voltage source is replaced by:

a)

Open circuit

b)

Short circuit

c)

Resistor

d)

Current source

11.

Thevenin’s equivalent circuit consists of:

a)

Current source in parallel with resistance

b)

Voltage source in series with resistance

c)

Only resistance

d)

Only voltage source

12.

Maximum power transfer occurs when:

a)

Load resistance is zero

b)

Load resistance is infinite

c)

Load resistance equals source resistance

d)

Load resistance is maximum

13.

At resonance in a series RLC circuit, the impedance is:

a)

Maximum

b)

Minimum

c)

Zero

d)

Infinite

14.

Q-factor of a series RLC circuit indicates:

a)

Power loss

b)

Energy stored

c)

Sharpness of resonance

d)

Resonant frequency

15.

In a balanced three-phase system, the neutral current is:

a)

Maximum

b)

Minimum

c)

Zero

d)

Equal to line current

16.

Which number system uses base 2?

a)

Decimal

b)

Binary

c)

Octal

d)

Hexadecimal

17.

Which logic gate is known as a universal gate?

a)

AND

b)

OR

c)

XOR

d)

NAND

18.

The output of an AND gate is HIGH when:

a)

Any one input is HIGH

b)

All inputs are LOW

c)

All inputs are HIGH

d)

Inputs are different

19.

Which logic gate performs addition modulo-2?

a)

AND

b)

OR

c)

XOR

d)

NAND

20.

A half adder produces:

a)

Sum only

b)

Carry only

c)

Sum and Carry

d)

Difference and Borrow

21.

A full adder has how many inputs?

a)

TWO

b)

THREE

c)

FOUR

d)

ONE

22.

Which flip-flop is known as a universal flip-flop?

a)

SR

b)

D

c)

T

d)

JK

23.

A flip-flop is an example of:

a)

Combinational circuit

b)

Sequential circuit

c)

Arithmetic circuit

d)

Logic gate

24.

Which method is used to simplify Boolean expressions?

a)

Ohm’s law

b)

Kirchhoff’s law

c)

Karnaugh map

d)

Superposition

25.

Registers are mainly used for:

a)

Signal amplification

b)

Data storage

c)

Power conversion

d)

Frequency control

26.

A half-wave rectifier uses how many diodes?

a)

One

b)

Two

c)

Three

d)

Four

27.

A full-wave rectifier using center-tapped transformer requires:

a)

One diode

b)

Two diodes

c)

Three diodes

d)

Four diodes

28.

The ripple factor of a full-wave rectifier is:

a)

Higher than half-wave rectifier

b)

Lower than half-wave rectifier

c)

Same as half-wave rectifier

d)

Infinite

29.

A center-tapped transformer provides:

a)

Single output

b)

Two equal secondary voltages

c)

No output

d)

DC output

30.

The efficiency of a full-wave rectifier is:

a)

Lower than half-wave rectifier

b)

Same as half-wave rectifier

c)

Higher than half-wave rectifier

d)

Zero