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

00:00
Question # 1

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

Question # 2

An inkjet printer uses in its operation:

Question # 3

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

Question # 4

Heating effect of current utilized in:

Question # 5

The free electrons in metals:

Question # 6

The obvious effect/s of current is/are:

Question # 7

Static electricity is produced by the transfer of:

Question # 8

In gases, the charge carries are:

Question # 9

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

Question # 10

The earth’s potential and potential at infinity are taken:

Question # 11

Xerography means:

Question # 12

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

Question # 13

In case of metallic conductors, the charge carriers are

Question # 14

An important part of inkjet printer is:

Question # 15

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

Question # 16

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

Question # 17

Magnetic effect of current is used:

Question # 18

The quantity having the same unit as that of emf is:

Question # 19

The best conductor is:

Question # 20

A field free region is found:

Question # 21

The value of relative permittivity of different dielectrics are:

Question # 22

Kirchhoff's first rule is also called:

Question # 23

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

Question # 24

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

Question # 25

In gases, the charge carriers are:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

The surface destiny of charge is defined is:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
2 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
3 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
4 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
5 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
6

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs
7 The strength of magnetic field at certain points around a wire depends upon:
A.

Value of current passing

B.

Distance from the current element

C.

Color of the material

D.

Both (A) and (B)
8 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
9

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:
A.

Circle

B.

Rectangle

C.

Sphere

D.

Box
10 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above

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