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

Question # 2

The emf is measured in:

Question # 3

A thermistor is a resistor which is:

Question # 4

The charge carries in the electrolyte are:

Question # 5

The best conductor is:

Question # 6

Tick the correct statement:

Question # 7

Which instrument is expensive and difficult to use?

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

Static electricity is produced by the transfer of:

Question # 12

Kirchhoff's first rule is also called:

Question # 13

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

Question # 14

In case of metallic conductors, the charge carriers are

Question # 15

Magnetic effect of current is used:

Question # 16

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

Question # 17

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 # 18

The fourth band is a:

Question # 19

An ideal voltmeter has:

Question # 20

An electric field is generated along the wire when:

Question # 21

Selenium is:

Question # 22

In case of metallic conductors, the charge carriers are

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

The value of relative permittivity of different dielectrics are:

Question # 29

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

Question # 30

The inkjet printer ejects a thin stream of:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
2

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

Greater than the speed at which they pass from left to right

B.

Less than the speed at which they pass from left to right

C.

The same speed at which they pass from left to right

D.

Any of above
3

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
4 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
5 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
6 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
7

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
8 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
9

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
10 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor

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