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

Heating effect of current utilized in:

Question # 2

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

Question # 3

An eV is unit of:

Question # 4

The inkjet printer ejects a thin stream of:

Question # 5

The third band of the colour code:

Question # 6

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

Question # 7

In gases, the charge carriers are:

Question # 8

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

Question # 9

Selenium is:

Question # 10

An ideal voltmeter has:

Question # 11

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

Question # 12

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

Question # 13

Xerography means:

Question # 14

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

Question # 15

An example of photoconductor is:

Question # 16

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

Question # 17

Which instrument is expensive and difficult to use?

Question # 18

The current that flows through the coil of a motor causes

Question # 19

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

Question # 20

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

Question # 21

When two spherical conducting balls at different potentials are joined by metallic wire, the current starts:

Question # 22

A thermistor is a resistor which is:

Question # 23

An electric field is generated along the wire when:

Question # 24

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 # 25

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

Question # 26

Most practical applications of electricity involve

Question # 27

Kirchhoff's first rule is also called:

Question # 28

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

Question # 29

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

Question # 30

The best conductor is:

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

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
3 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
4

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
5

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
6 The electric flux through any surface depends upon:
A.

Intensity of electric field

B.

Area of the surface

C.

Angle between intensity and area

D.

All of these
7

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

Be zero

B.

Be maintained constant

C.

Goes on increasing

D.

Go on decreasing
8 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
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 An electric field is generated along the wire when:
A.

Its resistance is very high

B.

A constant potential is maintained across the wire

C.

Net current through the wire is zero

D.

A constant potential difference is maintained across the wire

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