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

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

Question # 2

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 3

As the current flow through the wire:

Question # 4

The charge carriers in an electrolyte are

Question # 5

An electric field is generated along the wire when:

Question # 6

A thermistor is a resistor which is:

Question # 7

Conversion of chemical energy to electrical energy can be achieved by:

Question # 8

The charge carries in the electrolyte are:

Question # 9

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

Question # 10

The electric flux through any surface depends upon:

Question # 11

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

Question # 12

The inkjet printer ejects a thin stream of:

Question # 13

The flux through a closed surface depends upon:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

The value of resistivity is the least for:

Question # 19

Electric flux is:

Question # 20

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

Question # 21

An inkjet printer uses in its operation:

Question # 22

The value of relative permittivity of different dielectrics are:

Question # 23

Gaussian surface is always:

Question # 24

An eV is unit of:

Question # 25

An ideal voltmeter has:

Question # 26

The magnitude of chemical Effects depends upon:

Question # 27

Static electricity is produced by the transfer of:

Question # 28

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

Question # 29

Tick the correct statement:

Question # 30

An example of photoconductor is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2 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 shaft to rotate
3 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
4 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
5

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
6 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
7

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

No lines cross this area

B.

Maximum lines pass through this area

C.

The number of lines are between zero and maximum

D.

Both (A) and (B) correct
9 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
10 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent

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