ECAT Pre General Science Physics Chapter 13 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

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ECAT Pre General Science Physics Chapter 13 Current Electricity

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Question # 1

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

Question # 2

Magnetic effect of current is used:

Question # 3

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

Question # 4

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 # 5

Electrolysis is the study of conduction of electricity through:

Question # 6

In case of metallic conductors, the charge carriers are

Question # 7

An inkjet printer uses in its operation:

Question # 8

A rheostat can e used:

Question # 9

The best conductor is:

Question # 10

A thermistor is a resistor which is:

Question # 11

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

Question # 12

The term drift velocity is used when the ends of a wire are:

Question # 13

The third band of the colour code:

Question # 14

Electric field lines emerge from the charge in:

Question # 15

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

Question # 16

Which instrument is expensive and difficult to use?

Question # 17

Heating effect of current utilized in:

Question # 18

Xerography means:

Question # 19

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

Question # 20

Most practical application of electricity involve

Question # 21

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

Question # 22

The surface destiny of charge is defined is:

Question # 23

Gaussian surface is always:

Question # 24

An example of photoconductor is:

Question # 25

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

Question # 26

The emf is measured in:

Question # 27

The charge carries in the electrolyte are:

Question # 28

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

Question # 29

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

Question # 30

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

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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 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
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 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
5 Tick the correct statement:
A.

Both the potential and potential difference is scalars

B.

Potential is a scalar but potential difference is a vector

C. Both are vectors

D.

Potential is vector but potential difference is scalar
6 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
7 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
8 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
9

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
10 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

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