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

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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 current that flows through the coil of a motor causes:

Question # 3

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

Question # 4

The value of relative permittivity of different dielectrics are:

Question # 5

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

Question # 6

In case of metallic conductors, the charge carriers are

Question # 7

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

Question # 8

A field free region is found:

Question # 9

Which instrument is expensive and difficult to use?

Question # 10

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

Question # 11

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

Question # 12

If the ends of a wire are connected to a battery an electric field E will be set up at:

Question # 13

In order to have a constant current through wire, the potential difference across its end should:

Question # 14

An electric field is generated along the wire when:

Question # 15

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

Question # 16

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

Question # 17

The surface destiny of charge is defined is:

Question # 18

A thermistor is a resistor which is:

Question # 19

An eV is unit of:

Question # 20

In case of metallic conductors, the change carries are:

Question # 21

Static electricity is produced by the transfer of:

Question # 22

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

Question # 23

The charge carriers in an electrolyte are

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

A rheostat can e used:

Question # 28

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 29

The free electrons in metals:

Question # 30

In a metal, the valence electrons are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
2 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
3 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
4

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
5 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
6

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
7 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
8

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
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

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

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion

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