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 value of resistivity is the least for:

Question # 2

The third band of the colour code:

Question # 3

The electric flux through any surface depends upon:

Question # 4

As the current flow through the wire:

Question # 5

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

Question # 6

An ideal voltmeter has:

Question # 7

Which instrument is expensive and difficult to use?

Question # 8

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

Question # 9

Magnetic effect of current is used:

Question # 10

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

Question # 11

Most practical application of electricity involve

Question # 12

A rheostat can e used:

Question # 13

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

Question # 14

The obvious effect/s of current is/are:

Question # 15

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

Question # 16

In a metal, the valence electrons are:

Question # 17

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

Question # 18

The flux through a closed surface depends upon:

Question # 19

The positive charge moving in one direction is equivalent in all external affects to a:

Question # 20

In a metal, the valence electrons are:

Question # 21

Electric flux is:

Question # 22

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

Question # 23

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

Question # 24

The surface destiny of charge is defined is:

Question # 25

While finding the electric intensity at a point between two oppositely charged parallel plates, the Gaussian surface is taken in the form of a hollow:

Question # 26

An eV is unit of:

Question # 27

The value of relative permittivity of different dielectrics are:

Question # 28

The magnitude of chemical Effects depends upon:

Question # 29

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

Question # 30

The current that flows through the coil of a motor causes

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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 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
3 In a metal, the valence electrons are:
A. Attached to individual atoms
B. Not attached to individual atoms
C. Free to move within the metal
D. Both A and B
4 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
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 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
7 As the current flow through the wire:
A.

It generates heat in the wire

B.

It produces sound in the wire

C.

Resistance of the wire decreases

D.

Voltage across the ends is increased
8 The earth’s potential and potential at infinity are taken:
A.

Equal

B.

Zero

C.

First is greater than the second

D.

Second is greater than the first
9 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
10

An inkjet printer uses in its operation:
A.

Neutrons only

B.

Mesons only

C.

Positrons and photons

D.

An electric charge

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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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