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 quantity having the same unit as that of emf is:

Question # 2

Electric field lines emerge from the charge in:

Question # 3

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

Question # 4

The value of resistivity is the least for:

Question # 5

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

Question # 6

In gases, the charge carriers are:

Question # 7

Aluminum is a:

Question # 8

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

Question # 9

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

Question # 10

Heating effect of current utilized in:

Question # 11

Static electricity is produced by the transfer of:

Question # 12

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

Question # 13

The emf is measured in:

Question # 14

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

Question # 15

The flux through a closed surface depends upon:

Question # 16

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

Question # 17

The electric flux through any surface depends upon:

Question # 18

The surface destiny of charge is defined is:

Question # 19

The inkjet printer ejects a thin stream of:

Question # 20

A rheostat can e used:

Question # 21

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

Question # 22

Thermistors are prepared under

Question # 23

In case of metallic conductors, the charge carriers are

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

An example of photoconductor is:

Question # 29

Most practical applications of electricity involve

Question # 30

A field free region is found:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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
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

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

Both the conductors are at the same potential

B.

Potential difference across the conductors remain constant

C.

Potential difference across the conductors becomes zero

D.

Both (A) and (B)
4 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
5 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
6 Magnetic effect of current is used:
A.

In electric motor

B.

To detect current

C.

To measure current

D.

All of these
7 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second
8 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
9

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

Chemical energy

B.

Mechanical energy

C.

Heat energy

D.

Both (A) and (B)
10

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple

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