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

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Question # 1

A rheostat can e used:

Question # 2

The third band of the colour code:

Question # 3

Thermistors are prepared under

Question # 4

Electrolysis is the study of conduction of electricity through:

Question # 5

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

Question # 6

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

Question # 7

The obvious effect/s of current is/are:

Question # 8

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

Question # 9

The free electrons in metals:

Question # 10

Most practical application of electricity involve

Question # 11

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

Question # 12

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:

Question # 13

The current that flows through the coil of a motor causes

Question # 14

The device which can convert heat energy into electrical energy is called:

Question # 15

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 16

In case of metallic conductors, the change carries are:

Question # 17

The charge carriers in an electrolyte are

Question # 18

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

Question # 19

Electric field lines emerge from the charge in:

Question # 20

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

Question # 21

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

Question # 22

Electric flux is:

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

Gaussian surface is always:

Question # 27

Xerography means:

Question # 28

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

Question # 29

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

Question # 30

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The conventional current is the name given to current due to flow of
A. Positrons
B. Positive charges
C. Negative charges
D. Both A and C
2 As the current flow through the wire:
A.

It generates heat in the wire

B.

It produces sound in the wire

C.

Resistance of the wire decreases

D.

Voltage across the ends is increased
3 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
4 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
5 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)
6 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
7 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
8

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
9

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
10

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

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)

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