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 obvious effect/s of current is/are:

Question # 2

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

Question # 3

Electric field lines emerge from the charge in:

Question # 4

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 5

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

Question # 6

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

Question # 7

An eV is unit of:

Question # 8

The value of resistivity is the least for:

Question # 9

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

Question # 10

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

Question # 11

Heating effect of current utilized in:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The fourth band is a:

Question # 17

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

Question # 18

Which instrument is expensive and difficult to use?

Question # 19

The current that flows through the coil of a motor causes

Question # 20

Thermistors are prepared under

Question # 21

The free electrons in metals:

Question # 22

The earth’s potential and potential at infinity are taken:

Question # 23

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

Question # 24

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 # 25

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

Question # 26

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

Question # 27

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

Question # 28

Tick the correct statement:

Question # 29

An ideal voltmeter has:

Question # 30

The third band of the colour code:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The value of relative permittivity of different dielectrics are:
A.

Equal

B.

Different

C.

Greater than one

D.

Smaller than one
2

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)
3 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
4 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
5 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
6

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
7 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
8 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
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 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference

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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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