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

An inkjet printer uses in its operation:

Question # 2

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

Question # 3

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

Question # 4

The value of relative permittivity of different dielectrics are:

Question # 5

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

Question # 6

The emf is measured in:

Question # 7

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

Question # 8

Most practical application of electricity involve

Question # 9

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

Question # 10

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

Question # 11

The charge carriers in an electrolyte are

Question # 12

In a metal, the valence electrons are:

Question # 13

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

Question # 14

In gases, the charge carriers are:

Question # 15

The charge carries in the electrolyte are:

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

Electric flux is:

Question # 20

The inkjet printer ejects a thin stream of:

Question # 21

Most practical applications of electricity involve

Question # 22

A field free region is found:

Question # 23

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

Question # 24

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

Question # 25

Gaussian surface is always:

Question # 26

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

Question # 27

An eV is unit of:

Question # 28

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

Question # 29

An example of photoconductor is:

Question # 30

In a metal, the valence electrons are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
2 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
3 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
4 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
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 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
7

In case of metallic conductors, the change carries are:
A.

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
8 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
9 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
10 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)

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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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