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

The passage of current is accompanied by a magnetic field in the surrounding space:

Question # 2

The conventional current is the name given to current due to flow of:

Question # 3

An example of photoconductor is:

Question # 4

The best conductor is:

Question # 5

The third band of the colour code:

Question # 6

As the current flows through the wire

Question # 7

The emf is measured in:

Question # 8

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

Question # 9

Selenium is:

Question # 10

Field lines are closer to each other in the region where the field is:

Question # 11

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

Question # 12

Which instrument is expensive and difficult to use?

Question # 13

The fourth band is a:

Question # 14

Electrolysis is the study of conduction of electricity through:

Question # 15

The inkjet printer ejects a thin stream of:

Question # 16

The magnitude of chemical Effects depends upon:

Question # 17

An ideal voltmeter has:

Question # 18

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

Question # 19

When certain area A is held parallel to the field lines, then:

Question # 20

When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:

Question # 21

As the current flow through the wire:

Question # 22

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

Question # 23

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

Question # 24

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

Question # 25

Thermistors are prepared under

Question # 26

When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:

Question # 27

The passage of current is accompanied by a magnetic field in the surrounding space:

Question # 28

An important part of photocopier is:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
2 In a metal, the valence electrons are:
A. Attached to individual atoms
B. Not attached to individual atoms
C. Free to move within the metal
D. Both A and B
3 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
4 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

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

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
6

In case of two identical charges placed certain distance apart, the electric field lines are:
A.

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)
7 The conventional current is the name given to current due to flow of
A. Positrons
B. Positive charges
C. Negative charges
D. Both A and C
8 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
9

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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
10 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance

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  • Hamza

    Hamza

    17 Aug 2019

    It has many error

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  • Salmankhan

    Salmankhan

    02 Feb 2018

    Sir g plz correct this mcq the device which convert electrical into machinical is called moter but here the answer is generator

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