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 obvious effect/s of current is/are:

Question # 2

The surface destiny of charge is defined is:

Question # 3

SI unit of current describes the flow of charge at the rate of

Question # 4

In a metal, the valence electrons are:

Question # 5

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 6

Gaussian surface is always:

Question # 7

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

Question # 8

Electric field lines emerge from the charge in:

Question # 9

The magnitude of chemical Effects depends upon:

Question # 10

Xerography means:

Question # 11

The inkjet printer ejects a thin stream of:

Question # 12

The electric flux through any surface depends upon:

Question # 13

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 # 14

Electrolysis is the study of conduction of electricity through:

Question # 15

A thermistor is a resistor which is:

Question # 16

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

Question # 17

As the current flow through the wire:

Question # 18

The flux through a closed surface depends upon:

Question # 19

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

Question # 20

Magnetic effect of current is used:

Question # 21

A rheostat can e used:

Question # 22

The value of resistivity is the least for:

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

The value of relative permittivity of different dielectrics are:

Question # 30

As the current flows through the wire

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
2

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

Zero

B.

Much larger

C.

Larger

D.

Smaller
3 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above
4

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)
5 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
6 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
7

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 shafts to rotate
8

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
9 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
10 The interior of a hollow charged metal sphere is a region which:
A.

Contain some magnitude of electric field

B.

Is full of electric field lines

C.

Is field-free region

D.

Either (A) or (B)

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