ECAT Pre Engineering Physics Chapter 13 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 13 Current Electricity

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 13 Current Electricity

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Physics ECAT Pre Engineering Chapter 13 Current Electricity

00:00
Question # 1

Electric flux is:

Question # 2

Thermistors are prepared under

Question # 3

In case of metallic conductors, the change carries are:

Question # 4

The obvious effect/s of current is/are:

Question # 5

Electric field lines emerge from the charge in:

Question # 6

The electric flux through any surface depends upon:

Question # 7

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

Question # 8

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

Question # 9

Which instrument is expensive and difficult to use?

Question # 10

In a metal, the valence electrons are:

Question # 11

Tick the correct statement:

Question # 12

The fourth band is a:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

Kirchhoff's first rule is also called:

Question # 20

Aluminum is a:

Question # 21

Selenium is:

Question # 22

Heating effect of current utilized in:

Question # 23

In a metal, the valence electrons are:

Question # 24

A thermistor is a resistor which is:

Question # 25

In case of metallic conductors, the charge carriers are

Question # 26

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

Question # 27

The charge carries in the electrolyte are:

Question # 28

The best conductor is:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
2

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

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
4

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
5 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
6 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
7 As the current flow through the wire:
A.

It generates heat in the wire

B.

It produces sound in the wire

C.

Resistance of the wire decreases

D.

Voltage across the ends is increased
8

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
9

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

Different

B.

Same

C.

Such that it is greater in the first case

D.

Such that it is greater in the second case
10 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium

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