ECAT Pre General Science Physics Chapter 13 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

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ECAT Pre General Science Physics 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

Thermistors are prepared under

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

The surface destiny of charge is defined is:

Question # 7

The fourth band is a:

Question # 8

Most practical application of electricity involve

Question # 9

An inkjet printer uses in its operation:

Question # 10

An important part of photocopier is:

Question # 11

The electric flux through any surface depends upon:

Question # 12

The value of resistivity is the least for:

Question # 13

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

Question # 14

The obvious effect/s of current is/are:

Question # 15

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

Question # 16

The inkjet printer ejects a thin stream of:

Question # 17

Static electricity is produced by the transfer of:

Question # 18

The interior of a hollow charged metal sphere is a region which:

Question # 19

In case of metallic conductors, the change carries are:

Question # 20

The flux through a closed surface depends upon:

Question # 21

A field free region is found:

Question # 22

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 # 23

An eV is unit of:

Question # 24

A rheostat can e used:

Question # 25

The charge carriers in an electrolyte are

Question # 26

Heating effect of current utilized in:

Question # 27

The magnitude of chemical Effects depends upon:

Question # 28

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 29

The current that flows through the coil of a motor causes

Question # 30

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

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ECAT Class Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2 The earth’s potential and potential at infinity are taken:
A.

Equal

B.

Zero

C.

First is greater than the second

D.

Second is greater than the first
3 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
4 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
5 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second
6 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
7 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
8 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
9 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
10

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

Different

B.

Same

C.

Such that it is greater in the first case

D.

Such that it is greater in the second case

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