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

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Question # 1

The fourth band is a:

Question # 2

The value of resistivity is the least for:

Question # 3

The inkjet printer ejects a thin stream of:

Question # 4

The charge carriers in an electrolyte are

Question # 5

Heating effect of current utilized in:

Question # 6

An electric field is generated along the wire when:

Question # 7

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

Question # 8

Electric flux is:

Question # 9

The third band of the colour code:

Question # 10

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

Question # 11

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 # 12

Tick the correct statement:

Question # 13

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

Question # 14

The electric flux through any surface depends upon:

Question # 15

An inkjet printer uses in its operation:

Question # 16

An important part of inkjet printer is:

Question # 17

In case of metallic conductors, the charge carriers are

Question # 18

An ideal voltmeter has:

Question # 19

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

Question # 20

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

Question # 21

SI unit of current describes the flow of charge at the rate of

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

The charge carries in the electrolyte are:

Question # 27

Gaussian surface is always:

Question # 28

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

Question # 29

The strength of magnetic field at certain points around a wire depends upon:

Question # 30

The term drift velocity is used when the ends of a wire are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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
2

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
3 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)
4 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C
5 Thermistors are prepared under
A. High pressure and low temperature
B. High pressure and high temperature
C. Low pressure and low temperature
D. Low pressure and high temprature
6 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
7

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

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
9 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
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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