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

The fourth band is a:

Question # 2

Static electricity is produced by the transfer of:

Question # 3

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

Question # 4

As the current flows through the wire

Question # 5

An inkjet printer uses in its operation:

Question # 6

An electric field is generated along the wire when:

Question # 7

The best conductor is:

Question # 8

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

Question # 9

The electric flux through any surface depends upon:

Question # 10

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

Question # 11

The charge carries in the electrolyte are:

Question # 12

An important part of photocopier is:

Question # 13

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 # 14

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

Question # 15

Most practical applications of electricity involve

Question # 16

The surface destiny of charge is defined is:

Question # 17

In case of metallic conductors, the change carries are:

Question # 18

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

Question # 19

An eV is unit of:

Question # 20

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

Question # 21

Electrolysis is the study of conduction of electricity through:

Question # 22

Xerography means:

Question # 23

As the current flow through the wire:

Question # 24

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

Question # 25

Tick the correct statement:

Question # 26

Thermistors are prepared under

Question # 27

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 # 28

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

Question # 29

The obvious effect/s of current is/are:

Question # 30

The current that flows through the coil of a motor causes

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
2 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
3

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
4 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
5 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
6 When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:
A.

Decreases

B.

Increases

C.

Remains the constant

D.

Either of these
7

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:
A.

Circle

B.

Rectangle

C.

Sphere

D.

Box
8 The number of field lines passing through unit area held perpendicular to the field lines represent:
A.

Flux in that region

B.

Intensity of the field

C.

Charge

D.

Area of the region
9

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
10 As the current flows through the wire
A. It generates heat in the wire
B. It produces sound in the wire
C. Resistance of the wire decrease
D. Voltage across the ends is the increase

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