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

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

Question # 2

In case of metallic conductors, the change carries are:

Question # 3

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

Question # 4

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

Question # 5

The charge carries in the electrolyte are:

Question # 6

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

Question # 7

Gaussian surface is always:

Question # 8

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 # 9

The fourth band is a:

Question # 10

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

Question # 11

Which instrument is expensive and difficult to use?

Question # 12

In gases, the charge carriers are:

Question # 13

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

Question # 14

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

Question # 15

Thermistors are prepared under

Question # 16

In case of metallic conductors, the charge carriers are

Question # 17

An electric field is generated along the wire when:

Question # 18

Most practical application of electricity involve

Question # 19

The third band of the colour code:

Question # 20

The magnitude of chemical Effects depends upon:

Question # 21

Kirchhoff's first rule is also called:

Question # 22

The current that flows through the coil of a motor causes

Question # 23

A field free region is found:

Question # 24

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

Question # 25

The inkjet printer ejects a thin stream of:

Question # 26

In order to have a constant current through wire, the potential difference across its end should:

Question # 27

The surface destiny of charge is defined is:

Question # 28

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

Question # 29

Xerography means:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
2 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)

3 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

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

No lines cross this area

B.

Maximum lines pass through this area

C.

The number of lines are between zero and maximum

D.

Both (A) and (B) correct

5 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

6 The current that flows through the coil of a motor causes
A. Its shaft to revolve
B. Its brushes to rotate
C. Motor to move
D. Its shaft to rotate
7

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

A.

Zero

B.

Much larger

C.

Larger

D.

Smaller

8 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)

9 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
10 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent

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