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

Selenium is:

Question # 2

The magnitude of chemical Effects depends upon:

Question # 3

Electric flux is:

Question # 4

Most practical application of electricity involve

Question # 5

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

Question # 6

Gaussian surface is always:

Question # 7

Aluminum is a:

Question # 8

As the current flow through the wire:

Question # 9

In case of metallic conductors, the change carries are:

Question # 10

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

Question # 11

As the current flows through the wire

Question # 12

While finding the electric intensity at a point between two oppositely charged parallel plates, the Gaussian surface is taken in the form of a hollow:

Question # 13

Which instrument is expensive and difficult to use?

Question # 14

An inkjet printer uses in its operation:

Question # 15

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

Question # 16

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

Question # 17

In gases, the charge carriers are:

Question # 18

Xerography means:

Question # 19

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

Question # 20

A thermistor is a resistor which is:

Question # 21

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

Question # 22

The value of relative permittivity of different dielectrics are:

Question # 23

Electrolysis is the study of conduction of electricity through:

Question # 24

An electric field is generated along the wire when:

Question # 25

The interior of a hollow charged metal sphere is a region which:

Question # 26

The effects of bends in a wire on its electrical resistance are:

Question # 27

Thermistors are prepared under

Question # 28

The charge carriers in an electrolyte are

Question # 29

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

Question # 30

The electric flux through any surface depends upon:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The earth’s potential and potential at infinity are taken:
A.

Equal

B.

Zero

C.

First is greater than the second

D.

Second is greater than the first
2 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All 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 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
5 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
6 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
7 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
8 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power
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 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B

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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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