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

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

Question # 2

The free electrons in metals:

Question # 3

The surface destiny of charge is defined is:

Question # 4

Xerography means:

Question # 5

As the current flow through the wire:

Question # 6

A thermistor is a resistor which is:

Question # 7

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

Question # 8

An ideal voltmeter has:

Question # 9

Heating effect of current utilized in:

Question # 10

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

Question # 11

As the current flows through the wire

Question # 12

Kirchhoff's first rule is also called:

Question # 13

An eV is unit of:

Question # 14

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

Question # 15

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

Question # 16

In case of metallic conductors, the charge carriers are

Question # 17

The charge carries in the electrolyte are:

Question # 18

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

Question # 19

Aluminum is a:

Question # 20

The electric flux through any surface depends upon:

Question # 21

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

Question # 22

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

Question # 23

Thermistors are prepared under

Question # 24

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 # 25

In a metal, the valence electrons are:

Question # 26

An example of photoconductor is:

Question # 27

The fourth band is a:

Question # 28

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

Question # 29

In gases, the charge carries are:

Question # 30

Electric flux is:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Zero

B.

Much larger

C.

Larger

D.

Smaller
2 Selenium is:
A.

An insulator

B.

A conductor

C.

Insulator in the dark and becomes conductor when exposed to light

D.

Conductor in the dark only
3 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
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

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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
6 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum
7

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

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
8 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
9 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
10 In a metal, the valence electrons are:
A.

Attach to individual atoms

B.

Not attached to individual atoms

C.

Free to move within the metal

D.

Both (A) and (C)

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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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