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

Question # 2

As the current flow through the wire:

Question # 3

In gases, the charge carries are:

Question # 4

An important part of photocopier is:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

In a metal, the valence electrons are:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

Heating effect of current utilized in:

Question # 17

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

Question # 18

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 # 19

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

Question # 20

The charge carries in the electrolyte are:

Question # 21

The free electrons in metals:

Question # 22

Electric flux is:

Question # 23

An important part of inkjet printer is:

Question # 24

The magnitude of chemical Effects depends upon:

Question # 25

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

Question # 26

Aluminum is a:

Question # 27

The best conductor is:

Question # 28

In a metal, the valence electrons are:

Question # 29

Electrolysis is the study of conduction of electricity through:

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 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
3 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
4 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
5 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
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

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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
8 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
9 The conventional current is the name given to current due to flow of:
A. Positrons
B.

Positive charges

C.

Negative charges

D.

Both (A) and (C)
10

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

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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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