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

Two dissimilar metals joined at their ends kept at constant temperature constitute:

Question # 2

An example of photoconductor is:

Question # 3

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

Question # 4

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

Question # 5

An important part of photocopier is:

Question # 6

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

Question # 7

The flux through a closed surface depends upon:

Question # 8

The surface destiny of charge is defined is:

Question # 9

Kirchhoff's first rule is also called:

Question # 10

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

Question # 11

The electric flux through any surface depends upon:

Question # 12

The third band of the colour code:

Question # 13

The current that flows through the coil of a motor causes

Question # 14

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

Question # 15

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

Question # 16

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Question # 17

Most practical application of electricity involve

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

Magnetic effect of current is used:

Question # 24

As the current flow through the wire:

Question # 25

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

Question # 26

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

Question # 27

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 # 28

The magnitude of chemical Effects depends upon:

Question # 29

Xerography means:

Question # 30

A field free region is found:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
2 The interior of a hollow charged metal sphere is a region which:
A.

Contain some magnitude of electric field

B.

Is full of electric field lines

C.

Is field-free region

D.

Either (A) or (B)
3 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
4

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
5 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)
6 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
7 An electric field is generated along the wire when:
A.

Its resistance is very high

B.

A constant potential is maintained across the wire

C.

Net current through the wire is zero

D.

A constant potential difference is maintained across the wire
8 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
9 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
10 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum

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