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

An inkjet printer uses in its operation:

Question # 2

Xerography means:

Question # 3

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

Question # 4

The value of resistivity is the least for:

Question # 5

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

Question # 6

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

Question # 7

The electric flux through any surface depends upon:

Question # 8

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

Question # 9

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 # 10

Which instrument is expensive and difficult to use?

Question # 11

Electric field lines emerge from the charge in:

Question # 12

In a metal, the valence electrons are:

Question # 13

Heating effect of current utilized in:

Question # 14

An important part of photocopier is:

Question # 15

An electric field is generated along the wire when:

Question # 16

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

Question # 17

The obvious effect/s of current is/are:

Question # 18

Gaussian surface is always:

Question # 19

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

Question # 20

Electric flux is:

Question # 21

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 # 22

The best conductor is:

Question # 23

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

Question # 24

The charge carriers in an electrolyte are

Question # 25

Most practical applications of electricity involve

Question # 26

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

Question # 27

Kirchhoff's first rule is also called:

Question # 28

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

Question # 29

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

Question # 30

In case of metallic conductors, the change carries are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
2 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
3 The third band of the colour code:
A. Gives the number of zeroes
B. Is decimal multiplier
C. Gives the resistance tolerance
D. Gives the third digit
4 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)
5

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
6 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
7 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
8 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
9 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
10 The inkjet printer ejects a thin stream of:
A.

Water

B.

Oil

C.

Ink

D.

Any of above

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