ECAT Pre General Science Physics Chapter 13 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

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ECAT Pre General Science Physics Chapter 13 Current Electricity

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Question # 1

Most practical application of electricity involve

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

As the current flows through the wire

Question # 6

Most practical applications of electricity involve

Question # 7

Heating effect of current utilized in:

Question # 8

The charge carries in the electrolyte are:

Question # 9

Selenium is:

Question # 10

Electrolysis is the study of conduction of electricity through:

Question # 11

The flux through a closed surface depends upon:

Question # 12

A thermistor is a resistor which is:

Question # 13

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

Question # 14

The magnitude of chemical Effects depends upon:

Question # 15

A rheostat can e used:

Question # 16

Static electricity is produced by the transfer of:

Question # 17

Which instrument is expensive and difficult to use?

Question # 18

Magnetic effect of current is used:

Question # 19

In gases, the charge carries are:

Question # 20

The third band of the colour code:

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

An ideal voltmeter has:

Question # 25

Electric flux is:

Question # 26

In a metal, the valence electrons are:

Question # 27

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

Question # 28

In case of metallic conductors, the change carries are:

Question # 29

The value of relative permittivity of different dielectrics are:

Question # 30

In a metal, the valence electrons are:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The best conductor is:
A. Silver
B. Copper
C. Aluminimum
D. Both B and C
2 A field free region is found:
A.

Near the outer surface of a hollow charged metal sphere

B.

In the interior of solid metal uncharged sphere

C.

In the interior of solid metal charged sphere

D.

Both (A) and (B)
3 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
4 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
5 An electric field is generated along the wire when:
A.

Its resistance is very high

B.

A constant potential is maintained across the wire

C.

Net current through the wire is zero

D.

A constant potential difference is maintained across the wire
6 The conventional current is the name given to current due to flow of
A. Positrons
B. Positive charges
C. Negative charges
D. Both A and C
7 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
8 Electrolysis is the study of conduction of electricity through:
A. Solids
B. Liquids
C. Gases
D. Plasma
9 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
10

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)

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