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

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

Question # 2

The current that flows through the coil of a motor causes

Question # 3

The free electrons in metals:

Question # 4

An ideal voltmeter has:

Question # 5

Kirchhoff's first rule is also called:

Question # 6

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

Question # 7

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

Question # 8

Which instrument is expensive and difficult to use?

Question # 9

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

Question # 10

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

Question # 11

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 # 12

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

Question # 13

The third band of the colour code:

Question # 14

The fourth band is a:

Question # 15

The emf is measured in:

Question # 16

Electrolysis is the study of conduction of electricity through:

Question # 17

Electric field lines emerge from the charge in:

Question # 18

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

Question # 19

The surface destiny of charge is defined is:

Question # 20

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

Question # 21

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

Question # 22

Magnetic effect of current is used:

Question # 23

The inkjet printer ejects a thin stream of:

Question # 24

Selenium is:

Question # 25

The best conductor is:

Question # 26

The charge carries in the electrolyte are:

Question # 27

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

Question # 28

Xerography means:

Question # 29

In case of metallic conductors, the charge carriers are

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
2 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
3 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
4 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)
5 In a metal, the valence electrons are:
A. Attached to individual atoms
B. Not attached to individual atoms
C. Free to move within the metal
D. Both A and B
6 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
7 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
8

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
9 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
10 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

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