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 inkjet printer ejects a thin stream of:

Question # 2

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

Question # 3

Electric field lines emerge from the charge in:

Question # 4

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

Question # 5

In gases, the charge carries are:

Question # 6

In gases, the charge carriers are:

Question # 7

The magnitude of chemical Effects depends upon:

Question # 8

An important part of inkjet printer is:

Question # 9

The best conductor is:

Question # 10

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

Question # 11

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

Question # 12

Electrolysis is the study of conduction of electricity through:

Question # 13

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

Question # 14

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

Question # 15

Xerography means:

Question # 16

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

Question # 17

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

Question # 18

Tick the correct statement:

Question # 19

An ideal voltmeter has:

Question # 20

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

Question # 21

In case of metallic conductors, the charge carriers are

Question # 22

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

Question # 23

The free electrons in metals:

Question # 24

In case of metallic conductors, the change carries are:

Question # 25

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

Question # 26

The current that flows through the coil of a motor causes

Question # 27

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 # 28

The charge carriers in an electrolyte are

Question # 29

An eV is unit of:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Decreasing from zero to maximum

B.

Increasing from zero to maximum

C.

Decreasing from maximum to zero

D.

Increasing from maximum to zero
2 The conventional current is the name given to current due to flow of:
A. Positrons
B.

Positive charges

C.

Negative charges

D.

Both (A) and (C)
3

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
4

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

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)
5

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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
6 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
7 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
8 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
9 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
10

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple

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