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 important part of inkjet printer is:

Question # 3

An important part of photocopier is:

Question # 4

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

Question # 5

Heating effect of current utilized in:

Question # 6

Magnetic effect of current is used:

Question # 7

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

Question # 8

The electric flux through any surface depends upon:

Question # 9

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 # 10

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

Question # 11

The current that flows through the coil of a motor causes

Question # 12

In gases, the charge carriers are:

Question # 13

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

Question # 14

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

Question # 15

In case of metallic conductors, the charge carriers are

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

The flux through a closed surface depends upon:

Question # 22

The magnitude of chemical Effects depends upon:

Question # 23

The value of resistivity is the least for:

Question # 24

The free electrons in metals:

Question # 25

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

Question # 26

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

Question # 27

An inkjet printer uses in its operation:

Question # 28

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

Question # 29

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

Question # 30

In case of metallic conductors, the change carries are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
2 As the current flow through the wire:
A.

It generates heat in the wire

B.

It produces sound in the wire

C.

Resistance of the wire decreases

D.

Voltage across the ends is increased
3 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
4

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
5 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
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 Tick the correct statement:
A.

Both the potential and potential difference is scalars

B.

Potential is a scalar but potential difference is a vector

C. Both are vectors

D.

Potential is vector but potential difference is scalar
8 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
9 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
10 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion

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