ECAT Pre Engineering Physics Chapter 13 MCQ Test With Answer

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

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

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Physics ECAT Pre Engineering Chapter 13 Current Electricity

00:00
Question # 1

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

Question # 2

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 3

The current that flows through the coil of a motor causes:

Question # 4

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

Question # 5

Electric field lines emerge from the charge in:

Question # 6

The current that flows through the coil of a motor causes

Question # 7

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

Question # 8

A field free region is found:

Question # 9

An important part of inkjet printer is:

Question # 10

The value of relative permittivity of different dielectrics are:

Question # 11

The strength of magnetic field at certain points around a wire depends upon:

Question # 12

Magnetic effect of current is used:

Question # 13

Most practical applications of electricity involve

Question # 14

Which of the following substances has got positive temperature coefficient of resistance?

Question # 15

The electric flux through any surface depends upon:

Question # 16

In gases, the charge carriers are:

Question # 17

The example/s of non-electrical energy to electrical is/are:

Question # 18

Certain charge +q is placed at the center of a sphere. At each of the sphere,The directions of electric intensity and vector area are:

Question # 19

The magnitude of chemical Effects depends upon:

Question # 20

An ideal voltmeter has:

Question # 21

An important part of photocopier is:

Question # 22

As the current flow through the wire:

Question # 23

Xerography means:

Question # 24

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

Question # 25

The quantity having the same unit as that of emf is:

Question # 26

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 27

Kirchhoff's first rule is also called:

Question # 28

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

Question # 29

An electric field is generated along the wire when:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
2 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
3

The current of 1 ampere is passing through a conductor. The charge passing through it in half a minute is:
A.

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs
4 The free electrons in metals:
A.

Are in random motion and their speed depends upon temperature

B.

Move in particular direction

C.

Move with speed of light

D.

Move such that their speed does not depend on their temperature
5 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
6 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
7 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
8 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
9 The current that flows through the coil of a motor causes
A. Its shaft to revolve
B. Its brushes to rotate
C. Motor to move
D. Its shaft to rotate
10

The device which can convert heat energy into electrical energy is called:
A.

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple

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