ECAT Pre Computer Science Chapter 13 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 13 Current Electricity

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

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ECAT Physics Chapter 13 Current Electricity

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Question # 1

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

Question # 2

Electric flux is:

Question # 3

In a metal, the valence electrons are:

Question # 4

An electric field is generated along the wire when:

Question # 5

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

Question # 6

Tick the correct statement:

Question # 7

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

Question # 8

A thermistor is a resistor which is:

Question # 9

The current that flows through the coil of a motor causes

Question # 10

The emf is measured in:

Question # 11

A rheostat can e used:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

In gases, the charge carriers are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
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 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
4

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
5 As the current flows through the wire
A. It generates heat in the wire
B. It produces sound in the wire
C. Resistance of the wire decrease
D. Voltage across the ends is the increase
6 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
7

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)
8

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

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
10 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these

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