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

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

Question # 2

An important part of photocopier is:

Question # 3

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

Question # 4

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

Question # 5

In case of metallic conductors, the charge carriers are

Question # 6

Kirchhoff's first rule is also called:

Question # 7

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

Question # 8

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

Question # 9

Thermistors are prepared under

Question # 10

Tick the correct statement:

Question # 11

As the current flows through the wire

Question # 12

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

Question # 13

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

Question # 14

In gases, the charge carries are:

Question # 15

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

Question # 16

As the current flow through the wire:

Question # 17

An example of photoconductor is:

Question # 18

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

Question # 19

Static electricity is produced by the transfer of:

Question # 20

The charge carriers in an electrolyte are

Question # 21

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

Question # 22

The third band of the colour code:

Question # 23

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

Question # 24

Electric flux is:

Question # 25

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

Question # 26

The flux through a closed surface depends upon:

Question # 27

In case of metallic conductors, the change carries are:

Question # 28

Electrolysis is the study of conduction of electricity through:

Question # 29

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

Question # 30

The fourth band is a:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
2 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
3 The positive charge moving in one direction is equivalent in all external affects to a:
A.

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
4

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
5 A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
6 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
7 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
8 Thermistors are prepared under
A. High pressure and low temperature
B. High pressure and high temperature
C. Low pressure and low temperature
D. Low pressure and high temprature
9 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
10

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

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)

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