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 ideal voltmeter has:

Question # 2

The charge carriers in an electrolyte are

Question # 3

An eV is unit of:

Question # 4

Which of the following substances has got positive temperature coefficient of resistance?

Question # 5

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

Question # 6

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

Question # 7

As the current flows through the wire

Question # 8

Tick the correct statement:

Question # 9

The surface destiny of charge is defined is:

Question # 10

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

Question # 11

Static electricity is produced by the transfer of:

Question # 12

Which instrument is expensive and difficult to use?

Question # 13

The value of relative permittivity of different dielectrics are:

Question # 14

Thermistors are prepared under

Question # 15

The electric flux through any surface depends upon:

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

Gaussian surface is always:

Question # 22

An important part of inkjet printer is:

Question # 23

Most practical applications of electricity involve

Question # 24

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

Question # 25

An example of photoconductor is:

Question # 26

In gases, the charge carriers are:

Question # 27

The third band of the colour code:

Question # 28

Xerography means:

Question # 29

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

Question # 30

A rheostat can e used:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The third band of the colour code:
A. Gives the number of zeroes
B. Is decimal multiplier
C. Gives the resistance tolerance
D. Gives the third digit
2 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
3 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
4 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
5 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
6

Certain charge +q is placed at the center of a sphere. At each of the sphere,The directions of electric intensity and vector area are:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
7 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
8 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
9 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
10 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C

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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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