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

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

Question # 2

As the current flows through the wire

Question # 3

An ideal voltmeter has:

Question # 4

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

Question # 5

The effects of bends in a wire on its electrical resistance are:

Question # 6

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

Question # 7

Static electricity is produced by the transfer of:

Question # 8

Thermistors are prepared under

Question # 9

A rheostat can e used:

Question # 10

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

Question # 11

The flux through a closed surface depends upon:

Question # 12

Heating effect of current utilized in:

Question # 13

The magnitude of chemical Effects depends upon:

Question # 14

In case of metallic conductors, the charge carriers are

Question # 15

Xerography means:

Question # 16

The charge carries in the electrolyte are:

Question # 17

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

Question # 18

An eV is unit of:

Question # 19

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

Question # 20

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

Question # 21

The value of resistivity is the least for:

Question # 22

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

Question # 23

In gases, the charge carriers are:

Question # 24

An example of photoconductor is:

Question # 25

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

Question # 26

Most practical application of electricity involve

Question # 27

The current that flows through the coil of a motor causes

Question # 28

Which instrument is expensive and difficult to use?

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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)
2

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
3 The free electrons in metals:
A.

Are in random motion and their speed depends upon temperature

B.

Move in particular direction

C.

Move with speed of light

D.

Move such that their speed does not depend on their temperature
4 When certain area A is held parallel to the field lines, then:
A.

No lines cross this area

B.

Maximum lines pass through this area

C.

The number of lines are between zero and maximum

D.

Both (A) and (B) correct
5 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
6

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
7

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
8 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
9 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
10 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)

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  • Hamza

    Hamza

    17 Aug 2019

    It has many error

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  • Salmankhan

    Salmankhan

    02 Feb 2018

    Sir g plz correct this mcq the device which convert electrical into machinical is called moter but here the answer is generator

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