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

In gases, the charge carries are:

Question # 2

An important part of photocopier is:

Question # 3

An important part of inkjet printer is:

Question # 4

Magnetic effect of current is used:

Question # 5

As the current flows through the wire

Question # 6

A thermistor is a resistor which is:

Question # 7

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

Question # 8

An example of photoconductor is:

Question # 9

Heating effect of current utilized in:

Question # 10

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

Question # 11

Xerography means:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Most practical application of electricity involve

Question # 16

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

Question # 17

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

Question # 18

The surface destiny of charge is defined is:

Question # 19

The inkjet printer ejects a thin stream of:

Question # 20

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

Question # 21

Static electricity is produced by the transfer of:

Question # 22

The free electrons in metals:

Question # 23

A rheostat can e used:

Question # 24

An ideal voltmeter has:

Question # 25

Kirchhoff's first rule is also called:

Question # 26

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

Question # 27

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

Question # 28

The emf is measured in:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The fourth band is a:
A. Silver band
B. Red band
C. Gold band
D. Either A or C
2 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
3 A rheostat can e used:
A. As variable resistor
B. As potential divider
C. For varying the current
D. All of these
4 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
5 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
6

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

Protons

B.

Electrons

C.

Antiprotons

D.

Positrons
7 The strength of magnetic field at certain points around a wire depends upon:
A.

Value of current passing

B.

Distance from the current element

C.

Color of the material

D.

Both (A) and (B)
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 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power
10

The magnitude of chemical Effects depends upon:
A.

Nature of liquid

B.

Quantity of Electricity passed through the liquid

C.

Color of the liquid

D.

Both (A) and (C)

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