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

Most practical application of electricity involve

Question # 2

Tick the correct statement:

Question # 3

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

Question # 4

An example of photoconductor is:

Question # 5

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

Question # 6

Thermistors are prepared under

Question # 7

An important part of inkjet printer is:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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 # 12

An eV is unit of:

Question # 13

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

Question # 14

A rheostat can e used:

Question # 15

The value of resistivity is the least for:

Question # 16

Heating effect of current utilized in:

Question # 17

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

Question # 18

Gaussian surface is always:

Question # 19

Most practical applications of electricity involve

Question # 20

The magnitude of chemical Effects depends upon:

Question # 21

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

Question # 22

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

Question # 23

The value of relative permittivity of different dielectrics are:

Question # 24

In a metal, the valence electrons are:

Question # 25

An important part of photocopier is:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

The best conductor is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
2 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
3 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
4 Most practical application of electricity involve
A.

Charges at the rest

B.

Charges in the motion

C.

Electrons at rest

D.

Atoms in motion
5 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
6 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
7

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
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 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
10

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

Test Questions

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  • Hamza

    Hamza

    17 Aug 2019

    It has many error

    Like
    Reply
  • 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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