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

Gaussian surface is always:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Aluminum is a:

Question # 7

The third band of the colour code:

Question # 8

In a metal, the valence electrons are:

Question # 9

The current that flows through the coil of a motor causes

Question # 10

Xerography means:

Question # 11

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

Question # 12

Most practical applications of electricity involve

Question # 13

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

Question # 14

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

Question # 15

An electric field is generated along the wire when:

Question # 16

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

Question # 17

As the current flow through the wire:

Question # 18

Which instrument is expensive and difficult to use?

Question # 19

The strength of magnetic field at certain points around a wire depends upon:

Question # 20

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

Question # 21

The free electrons in metals:

Question # 22

Electric flux is:

Question # 23

The value of resistivity is the least for:

Question # 24

The charge carries in the electrolyte are:

Question # 25

When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:

Question # 26

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

Question # 27

Static electricity is produced by the transfer of:

Question # 28

In a metal, the valence electrons are:

Question # 29

When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:

Question # 30

The inkjet printer ejects a thin stream of:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Be zero

B.

Be maintained constant

C.

Goes on increasing

D.

Go on decreasing
2 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
3

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)
4 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
5 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
6 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
7

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
8

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
9

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)
10 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference

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