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

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

Question # 2

In case of metallic conductors, the charge carriers are

Question # 3

A rheostat can e used:

Question # 4

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

Question # 5

Most practical application of electricity involve

Question # 6

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

Question # 7

As the current flow through the wire:

Question # 8

An eV is unit of:

Question # 9

The value of relative permittivity of different dielectrics are:

Question # 10

In a metal, the valence electrons are:

Question # 11

The fourth band is a:

Question # 12

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

Question # 13

Electric field lines emerge from the charge in:

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

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

Question # 16

The flux through a closed surface depends upon:

Question # 17

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

Question # 18

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

Question # 19

Thermistors are prepared under

Question # 20

In gases, the charge carriers are:

Question # 21

The emf is measured in:

Question # 22

A field free region is found:

Question # 23

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

Question # 24

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

Question # 25

Which instrument is expensive and difficult to use?

Question # 26

Selenium is:

Question # 27

The surface destiny of charge is defined is:

Question # 28

Electrolysis is the study of conduction of electricity through:

Question # 29

The inkjet printer ejects a thin stream of:

Question # 30

An ideal voltmeter has:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)
2 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
3

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

Chemical energy

B.

Mechanical energy

C.

Heat energy

D.

Both (A) and (B)
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 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
6 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)
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 shafts to rotate
8 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
9 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
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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