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

Thermistors are prepared under

Question # 2

An important part of inkjet printer is:

Question # 3

Tick the correct statement:

Question # 4

In case of metallic conductors, the charge carriers are

Question # 5

Static electricity is produced by the transfer of:

Question # 6

Magnetic effect of current is used:

Question # 7

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

Question # 8

Which instrument is expensive and difficult to use?

Question # 9

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

Question # 10

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

Question # 11

The flux through a closed surface depends upon:

Question # 12

The magnitude of chemical Effects depends upon:

Question # 13

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

Question # 14

The charge carriers in an electrolyte are

Question # 15

The obvious effect/s of current is/are:

Question # 16

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

Question # 17

As the current flows through the wire

Question # 18

Xerography means:

Question # 19

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

Question # 20

The current that flows through the coil of a motor causes

Question # 21

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

Question # 22

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

Question # 23

The third band of the colour code:

Question # 24

The value of resistivity is the least for:

Question # 25

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

Question # 26

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

Question # 27

The emf is measured in:

Question # 28

As the current flow through the wire:

Question # 29

In case of metallic conductors, the charge carriers are

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
2 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
3 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
4

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)
5 Thermistors are prepared under
A. High pressure and low temperature
B. High pressure and high temperature
C. Low pressure and low temperature
D. Low pressure and high temprature
6

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
7

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

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)
8 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
9 As the current flows through the wire
A. It generates heat in the wire
B. It produces sound in the wire
C. Resistance of the wire decrease
D. Voltage across the ends is the increase
10

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

Chemical energy

B.

Mechanical energy

C.

Heat energy

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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