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

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Question # 1

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

Question # 2

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

Question # 3

In case of metallic conductors, the charge carriers are

Question # 4

The term drift velocity is used when the ends of a wire are:

Question # 5

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

Question # 6

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

Question # 7

Which instrument is expensive and difficult to use?

Question # 8

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

Question # 9

The best conductor is:

Question # 10

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

Question # 11

Magnetic effect of current is used:

Question # 12

Xerography means:

Question # 13

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

Question # 14

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 # 15

Electrostatics is the branch of physics which deals with the study of electro charges:

Question # 16

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

Question # 17

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

Question # 18

Thermistors are prepared under

Question # 19

The inkjet printer ejects a thin stream of:

Question # 20

Kirchhoff's first rule is also called:

Question # 21

The value of resistivity is the least for:

Question # 22

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

Question # 23

An important part of photocopier is:

Question # 24

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

Question # 25

An eV is unit of:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

The current that flows through the coil of a motor causes

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
2 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
3 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)
4 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
5

Electrostatics is the branch of physics which deals with the study of electro charges:
A.

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion
6 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
7 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
8 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
9 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
10 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

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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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