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

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

Question # 2

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

Question # 3

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

Question # 4

The third band of the colour code:

Question # 5

An eV is unit of:

Question # 6

The magnitude of chemical Effects depends upon:

Question # 7

While finding the electric intensity at a point between two oppositely charged parallel plates, the Gaussian surface is taken in the form of a hollow:

Question # 8

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

Question # 9

The value of relative permittivity of different dielectrics are:

Question # 10

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

Question # 11

The flux through a closed surface depends upon:

Question # 12

The surface destiny of charge is defined is:

Question # 13

The free electrons in metals:

Question # 14

Which instrument is expensive and difficult to use?

Question # 15

In case of metallic conductors, the change carries are:

Question # 16

An electric field is generated along the wire when:

Question # 17

Electric flux is:

Question # 18

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

Question # 19

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

Question # 20

Tick the correct statement:

Question # 21

Aluminum is a:

Question # 22

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

Question # 23

An example of photoconductor is:

Question # 24

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

Question # 25

Xerography means:

Question # 26

An inkjet printer uses in its operation:

Question # 27

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

Question # 28

Kirchhoff's first rule is also called:

Question # 29

The charge carries in the electrolyte are:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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)
2

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
3 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
4 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
5 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
6 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
7 When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:
A.

Decreases

B.

Increases

C.

Remains the constant

D.

Either of these
8

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
9

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
10 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

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