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

Question # 2

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

Question # 3

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

Question # 4

As the current flows through the wire

Question # 5

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 # 6

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

Question # 7

Heating effect of current utilized in:

Question # 8

Aluminum is a:

Question # 9

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

Question # 10

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

Question # 11

Kirchhoff's first rule is also called:

Question # 12

The value of relative permittivity of different dielectrics are:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

A field free region is found:

Question # 17

In gases, the charge carries are:

Question # 18

An inkjet printer uses in its operation:

Question # 19

The flux through a closed surface depends upon:

Question # 20

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

Question # 21

The electric flux through any surface depends upon:

Question # 22

The inkjet printer ejects a thin stream of:

Question # 23

Static electricity is produced by the transfer of:

Question # 24

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

Question # 25

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

Question # 26

The best conductor is:

Question # 27

Xerography means:

Question # 28

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

Question # 29

A thermistor is a resistor which is:

Question # 30

Gaussian surface is always:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 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
2 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
3

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
4

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

Its shaft to revolve

B.

Its brushes to rotate

C.

Motor to move

D.

Its shafts to rotate
5 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
6 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
7 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
8 The electric flux through any surface depends upon:
A.

Intensity of electric field

B.

Area of the surface

C.

Angle between intensity and area

D.

All of these
9 An electric field is generated along the wire when:
A.

Its resistance is very high

B.

A constant potential is maintained across the wire

C.

Net current through the wire is zero

D.

A constant potential difference is maintained across the wire
10 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

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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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