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

In gases, the charge carries are:

Question # 2

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 # 3

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:

Question # 4

Electric field lines emerge from the charge in:

Question # 5

The charge carries in the electrolyte are:

Question # 6

The charge carriers in an electrolyte are

Question # 7

Aluminum is a:

Question # 8

The obvious effect/s of current is/are:

Question # 9

Electrolysis is the study of conduction of electricity through:

Question # 10

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

Question # 11

The third band of the colour code:

Question # 12

The current that flows through the coil of a motor causes

Question # 13

In a metal, the valence electrons are:

Question # 14

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 15

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

Question # 16

As the current flows through the wire

Question # 17

Tick the correct statement:

Question # 18

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

Question # 19

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

Question # 20

An important part of photocopier is:

Question # 21

As the current flow through the wire:

Question # 22

Most practical applications of electricity involve

Question # 23

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

Question # 24

The free electrons in metals:

Question # 25

Which instrument is expensive and difficult to use?

Question # 26

The value of relative permittivity of different dielectrics are:

Question # 27

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

Question # 28

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

Question # 29

The value of resistivity is the least for:

Question # 30

A field free region is found:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
2

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

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
3 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)
4

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
5 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
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

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)
8 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
9 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
10

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

Test Questions

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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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