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

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 # 2

The fourth band is a:

Question # 3

The current that flows through the coil of a motor causes

Question # 4

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

Question # 5

An ideal voltmeter has:

Question # 6

The inkjet printer ejects a thin stream of:

Question # 7

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

Question # 8

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

Question # 9

An important part of inkjet printer is:

Question # 10

Selenium is:

Question # 11

Which of the following substances has got positive temperature coefficient of resistance?

Question # 12

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

Question # 13

The best conductor is:

Question # 14

In gases, the charge carriers are:

Question # 15

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

Question # 16

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

Question # 17

Kirchhoff's first rule is also called:

Question # 18

The electric flux through any surface depends upon:

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

An eV is unit of:

Question # 23

Field lines are closer to each other in the region where the field is:

Question # 24

The current that flows through the coil of a motor causes:

Question # 25

Tick the correct statement:

Question # 26

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

Question # 27

The free electrons in metals:

Question # 28

In case of metallic conductors, the charge carriers are

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The free electrons in metals:
A.

Are in random motion and their speed depends upon temperature

B.

Move in particular direction

C.

Move with speed of light

D.

Move such that their speed does not depend on their temperature
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 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 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
6 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
7

Conversion of chemical energy to electrical energy can be achieved by:
A.

Primary cell

B.

Secondary cell

C.

Both (A) and (B)

D.

Photovoltaic cell
8 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
9

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

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
10 If the ends of a wire are connected to a battery an electric field E will be set up at:
A.

The ends of the wire only

B.

Mid points of the wire only

C.

Every point within the wire

D.

At nodes only

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