ECAT Pre General Science Physics Chapter 13 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

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ECAT Pre General Science Physics Chapter 13 Current Electricity

00:00
Question # 1

In case of metallic conductors, the charge carriers are

Question # 2

Conversion of chemical energy to electrical energy can be achieved by:

Question # 3

Tick the correct statement:

Question # 4

SI unit of current describes the flow of charge at the rate of

Question # 5

The term drift velocity is used when the ends of a wire are:

Question # 6

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Question # 7

Magnetic effect of current is used:

Question # 8

When a constant potential difference is applied across the conductor, the drift velocity of electrons:

Question # 9

Kirchhoff's first rule is also called:

Question # 10

In case of metallic conductors, the charge carriers are

Question # 11

An electric field is generated along the wire when:

Question # 12

The inkjet printer ejects a thin stream of:

Question # 13

Xerography means:

Question # 14

The earth’s potential and potential at infinity are taken:

Question # 15

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 16

Two dissimilar metals joined at their ends kept at constant temperature constitute:

Question # 17

As the current flow through the wire:

Question # 18

An inkjet printer uses in its operation:

Question # 19

A thermistor is a resistor which is:

Question # 20

In case of metallic conductors, the change carries are:

Question # 21

When a constant potential difference is applied across the conductor, the drift velocity of electrons:

Question # 22

Gaussian surface is always:

Question # 23

In a metal, the valence electrons are:

Question # 24

Heating effect of current utilized in:

Question # 25

An ideal voltmeter has:

Question # 26

In a metal, the valence electrons are:

Question # 27

Another mean of electric potential energy per unit charge is given by:

Question # 28

The rate at which the free electrons pass through any section of a metallic wire from right to left is:

Question # 29

As the current flows through the wire

Question # 30

Electric flux is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

The rate at which the free electrons pass through any section of a metallic wire from right to left is:
A.

Greater than the speed at which they pass from left to right

B.

Less than the speed at which they pass from left to right

C.

The same speed at which they pass from left to right

D.

Any of above
2 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
3

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
4 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
5 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
6 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
7 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
8

Two dissimilar metals joined at their ends kept at constant temperature constitute:
A.

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
9 An electric field is generated along the wire when:
A.

Its resistance is very high

B.

A constant potential is maintained across the wire

C.

Net current through the wire is zero

D.

A constant potential difference is maintained across the wire
10 Thermistors are prepared under
A. High pressure and low temperature
B. High pressure and high temperature
C. Low pressure and low temperature
D. Low pressure and high temprature

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