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

As the current flow through the wire:

Question # 2

As the current flows through the wire

Question # 3

A rheostat can e used:

Question # 4

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

Question # 5

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

Question # 6

Most practical applications of electricity involve

Question # 7

In a metal, the valence electrons are:

Question # 8

Kirchhoff's first rule is also called:

Question # 9

In gases, the charge carriers are:

Question # 10

The best conductor is:

Question # 11

An ideal voltmeter has:

Question # 12

An electric field is generated along the wire when:

Question # 13

The magnitude of chemical Effects depends upon:

Question # 14

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

Question # 15

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

Question # 16

The fourth band is a:

Question # 17

An important part of photocopier is:

Question # 18

The charge carries in the electrolyte are:

Question # 19

The term drift velocity is used when the ends of a wire are:

Question # 20

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

Question # 21

An eV is unit of:

Question # 22

Electric field lines emerge from the charge in:

Question # 23

Gaussian surface is always:

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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 # 29

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

Question # 30

A field free region is found:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
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 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
4

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs
5

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
6 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
7 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
8

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

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)
9

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
10

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

Test Questions

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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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