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

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Question # 1

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

Question # 2

Heating effect of current utilized in:

Question # 3

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

Question # 4

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

Question # 5

In case of metallic conductors, the charge carriers are

Question # 6

A rheostat can e used:

Question # 7

The flux through a closed surface depends upon:

Question # 8

When a constant potential difference is applied across the conductor, the drift velocity of electrons:

Question # 9

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

Question # 10

The electric flux through any surface depends upon:

Question # 11

The surface destiny of charge is defined is:

Question # 12

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

Question # 13

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

Question # 14

A thermistor is a resistor which is:

Question # 15

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

Question # 16

As the current flows through the wire

Question # 17

The current that flows through the coil of a motor causes

Question # 18

In a metal, the valence electrons are:

Question # 19

When a constant potential difference is applied across the conductor, the drift velocity of electrons:

Question # 20

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 # 21

Tick the correct statement:

Question # 22

An ideal voltmeter has:

Question # 23

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

Question # 24

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

Question # 25

Most practical application of electricity involve

Question # 26

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

Question # 27

In a metal, the valence electrons are:

Question # 28

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 # 29

Static electricity is produced by the transfer of:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
2 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
3 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)
4 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
5 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
6

Electrostatics is the branch of physics which deals with the study of electro charges:
A.

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion
7

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

Decreasing from zero to maximum

B.

Increasing from zero to maximum

C.

Decreasing from maximum to zero

D.

Increasing from maximum to zero
8 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
9

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
10 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons

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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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