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

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 2

An ideal voltmeter has:

Question # 3

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

Question # 4

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

Question # 5

The flux through a closed surface depends upon:

Question # 6

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

Question # 7

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

Question # 8

The surface destiny of charge is defined is:

Question # 9

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

Question # 10

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

Question # 11

Kirchhoff's first rule is also called:

Question # 12

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

Question # 13

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

Question # 14

Tick the correct statement:

Question # 15

Heating effect of current utilized in:

Question # 16

The best conductor is:

Question # 17

In order to have a constant current through wire, the potential difference across its end should:

Question # 18

Which instrument is expensive and difficult to use?

Question # 19

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

Question # 20

The obvious effect/s of current is/are:

Question # 21

An important part of inkjet printer is:

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

Selenium is:

Question # 26

Most practical applications of electricity involve

Question # 27

As the current flow through the wire:

Question # 28

An inkjet printer uses in its operation:

Question # 29

Most practical application of electricity involve

Question # 30

Magnetic effect of current is used:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:
A.

Different

B.

Same

C.

Such that it is greater in the first case

D.

Such that it is greater in the second case
2 When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:
A.

Decreases

B.

Increases

C.

Remains the constant

D.

Either of these
3

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
4 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
5 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
6 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
7

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

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)
8 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
9 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
10 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

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