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

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 # 2

As the current flow through the wire:

Question # 3

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

Question # 4

Electric flux is:

Question # 5

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 6

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

Question # 7

As the current flows through the wire

Question # 8

The best conductor is:

Question # 9

A thermistor is a resistor which is:

Question # 10

The third band of the colour code:

Question # 11

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

Question # 12

Kirchhoff's first rule is also called:

Question # 13

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

Question # 14

Which of the following substances has got positive temperature coefficient of resistance?

Question # 15

The magnitude of chemical Effects depends upon:

Question # 16

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

Question # 17

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

Question # 18

A field free region is found:

Question # 19

The quantity having the same unit as that of emf is:

Question # 20

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

Question # 21

The value of resistivity is the least for:

Question # 22

Which instrument is expensive and difficult to use?

Question # 23

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

Question # 24

In gases, the charge carries are:

Question # 25

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

Question # 26

The fourth band is a:

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

An example of photoconductor is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power

2 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions

3 In gases, the charge carriers are:
A. Electrons
B. Positive ions
C. Negative ions
D. Both A and C
4 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
5 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

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

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference

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

Value of current passing

B.

Distance from the current element

C.

Color of the material

D.

Both (A) and (B)

8 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)

9

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)

10 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B

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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