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

A rheostat can e used:

Question # 2

Which instrument is expensive and difficult to use?

Question # 3

A thermistor is a resistor which is:

Question # 4

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

Question # 5

Magnetic effect of current is used:

Question # 6

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

Question # 7

In gases, the charge carries are:

Question # 8

In case of metallic conductors, the change carries are:

Question # 9

The electric flux through any surface depends upon:

Question # 10

The flux through a closed surface depends upon:

Question # 11

An important part of photocopier is:

Question # 12

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

Question # 13

In case of metallic conductors, the charge carriers are

Question # 14

Electric field lines emerge from the charge in:

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

The best conductor is:

Question # 19

The current that flows through the coil of a motor causes:

Question # 20

An inkjet printer uses in its operation:

Question # 21

The magnitude of chemical Effects depends upon:

Question # 22

An electric field is generated along the wire when:

Question # 23

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

Question # 24

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

Question # 25

Static electricity is produced by the transfer of:

Question # 26

The third band of the colour code:

Question # 27

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

Question # 28

Tick the correct statement:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
2 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
3 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)
4 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
5 The number of field lines passing through unit area held perpendicular to the field lines represent:
A.

Flux in that region

B.

Intensity of the field

C.

Charge

D.

Area of the region
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 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
9 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
10

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

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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