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 best conductor is:

Question # 2

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

Question # 3

An important part of inkjet printer is:

Question # 4

Aluminum is a:

Question # 5

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

Question # 6

The example/s of non-electrical energy to electrical is/are:

Question # 7

The value of relative permittivity of different dielectrics are:

Question # 8

Heating effect of current utilized in:

Question # 9

An ideal voltmeter has:

Question # 10

Electric field lines emerge from the charge in:

Question # 11

Tick the correct statement:

Question # 12

The charge carries in the electrolyte are:

Question # 13

In a metal, the valence electrons are:

Question # 14

The electric flux through any surface depends upon:

Question # 15

The current that flows through the coil of a motor causes

Question # 16

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

Question # 17

The charge carriers in an electrolyte are

Question # 18

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

Question # 19

A rheostat can e used:

Question # 20

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

Question # 21

In case of metallic conductors, the charge carriers are

Question # 22

In gases, the charge carries are:

Question # 23

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

Question # 24

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

Question # 25

In case of metallic conductors, the change carries are:

Question # 26

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

Question # 27

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

Question # 28

Xerography means:

Question # 29

As the current flows through the wire

Question # 30

An eV is unit of:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
2 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
3 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
4

In case of two identical charges placed certain distance apart, the electric field lines are:
A.

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)
5 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
6 As the current flows through the wire
A. It generates heat in the wire
B. It produces sound in the wire
C. Resistance of the wire decrease
D. Voltage across the ends is the increase
7 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
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 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
10 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

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