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

Question # 2

A thermistor is a resistor which is:

Question # 3

Kirchhoff's first rule is also called:

Question # 4

An important part of photocopier is:

Question # 5

The magnitude of chemical Effects depends upon:

Question # 6

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

Question # 7

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

Question # 8

In case of metallic conductors, the charge carriers are

Question # 9

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

Question # 10

The passage of current is accompanied by a magnetic field in the surrounding space:

Question # 11

The free electrons in metals:

Question # 12

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

Question # 13

Which instrument is expensive and difficult to use?

Question # 14

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

Question # 15

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

Question # 16

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 # 17

Static electricity is produced by the transfer of:

Question # 18

Selenium is:

Question # 19

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:

Question # 20

When a constant potential difference is applied across the conductor, the drift velocity of electrons:

Question # 21

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

Question # 22

In case of metallic conductors, the change carries are:

Question # 23

The fourth band is a:

Question # 24

The flux through a closed surface depends upon:

Question # 25

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

Question # 26

An eV is unit of:

Question # 27

The charge carries in the electrolyte are:

Question # 28

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

Question # 29

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

Question # 30

In case of metallic conductors, the charge carriers are

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

Flux through a closed surface of any shape and flux through the surface of a sphere drawn around a charge are:
A.

Different

B.

Same

C.

Such that it is greater in the first case

D.

Such that it is greater in the second case
2

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

Greater than the speed at which they pass from left to right

B.

Less than the speed at which they pass from left to right

C.

The same speed at which they pass from left to right

D.

Any of above
3

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)
4 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
5

Electrostatics is the branch of physics which deals with the study of electro charges:
A.

At rest

B.

At rest under the action of electric forces

C.

In motion under the action of electric forces

D.

In motion
6 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
7 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
8 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
9 Static electricity is produced by the transfer of:
A.

Electrons

B.

Protons

C.

One fluid

D.

Two fluids
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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