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 magnitude of chemical Effects depends upon:

Question # 2

The charge carries in the electrolyte are:

Question # 3

The fourth band is a:

Question # 4

When certain area A is held parallel to the field lines, then:

Question # 5

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

Question # 6

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

Question # 7

The current that flows through the coil of a motor causes

Question # 8

An example of photoconductor is:

Question # 9

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

Question # 10

In case of metallic conductors, the charge carriers are

Question # 11

Heating effect of current utilized in:

Question # 12

Tick the correct statement:

Question # 13

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

Question # 14

In gases, the charge carries are:

Question # 15

An inkjet printer uses in its operation:

Question # 16

As the current flows through the wire

Question # 17

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 # 18

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

Question # 19

Electrolysis is the study of conduction of electricity through:

Question # 20

Electric flux is:

Question # 21

The inkjet printer ejects a thin stream of:

Question # 22

The best conductor is:

Question # 23

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

Question # 24

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

Question # 25

A thermistor is a resistor which is:

Question # 26

The charge carriers in an electrolyte are

Question # 27

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

Question # 28

In gases, the charge carriers are:

Question # 29

Gaussian surface is always:

Question # 30

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

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 In gases, the charge carries are:
A.

Electrons

B.

Positive ions

C.

Negative ions

D.

Both (A) and (C)
2 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
3 The flux through a closed surface depends upon:
A.

Shape of geometry of the closed surface

B.

Charge enclosed

C.

Nature of the medium

D.

Both (A) and (B)
4

Electric flux is:
A. Cross product of two vector

B.

Dot product of two vectors

C.

A vector quantity

D.

A scalar quantity
5 The term drift velocity is used when the ends of a wire are:
A.

Connected to a laser source

B.

Connected to a voltage source

C.

Not connected to a voltage source

D.

At different values of potential
6 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
7 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
8 When a constant potential difference is applied across the conductor, the drift velocity of electrons:
A.

Increases

B.

Decreases

C.

Remains the constant

D.

Either of these
9 The current that flows through the coil of a motor causes
A. Its shaft to revolve
B. Its brushes to rotate
C. Motor to move
D. Its shaft to rotate
10 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule

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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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