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

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Question # 1

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

Question # 2

A thermistor is a resistor which is:

Question # 3

The flux through a closed surface depends upon:

Question # 4

Selenium is:

Question # 5

The surface destiny of charge is defined is:

Question # 6

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

Question # 7

Xerography means:

Question # 8

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

Question # 9

In a metal, the valence electrons are:

Question # 10

An important part of photocopier is:

Question # 11

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 12

SI unit of current describes the flow of charge at the rate of

Question # 13

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

Question # 14

The current that flows through the coil of a motor causes

Question # 15

An important part of inkjet printer is:

Question # 16

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

Question # 17

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

Question # 18

An inkjet printer uses in its operation:

Question # 19

Heating effect of current utilized in:

Question # 20

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

Question # 21

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

Question # 22

The value of relative permittivity of different dielectrics are:

Question # 23

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

Question # 24

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

Question # 25

The emf is measured in:

Question # 26

An ideal voltmeter has:

Question # 27

Tick the correct statement:

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The positive charge moving in one direction is equivalent in all external affects to a:
A.

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
2 When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:
A.

Decreases

B.

Increases

C.

Remains the constant

D.

Either of these
3 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
4 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
5

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

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
7 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
8

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
9 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
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

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