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

Question # 2

An ideal voltmeter has:

Question # 3

Tick the correct statement:

Question # 4

Most practical application of electricity involve

Question # 5

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

Question # 6

The charge carries in the electrolyte are:

Question # 7

The fourth band is a:

Question # 8

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

Question # 9

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

Question # 10

Aluminum is a:

Question # 11

The value of relative permittivity of different dielectrics are:

Question # 12

An important part of inkjet printer is:

Question # 13

The magnitude of chemical Effects depends upon:

Question # 14

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

Question # 15

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

Question # 16

Selenium is:

Question # 17

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

Question # 18

Heating effect of current utilized in:

Question # 19

Xerography means:

Question # 20

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

Question # 21

The current that flows through the coil of a motor causes

Question # 22

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 # 23

An example of photoconductor is:

Question # 24

An eV is unit of:

Question # 25

As the current flows through the wire

Question # 26

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

Question # 27

Gaussian surface is always:

Question # 28

Most practical applications of electricity involve

Question # 29

A thermistor is a resistor which is:

Question # 30

Which of the following substances has got positive temperature coefficient of resistance?

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

One coulomb

B.

0.5 coulomb

C.

30 coulomb

D.

2 coulombs
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 A thermistor is a resistor which is:
A. Light Sensitive
B. Heat Sensitive
C. Sound Sensitive
D. All of these
4 SI unit of current describes the flow of charge at the rate of
A. One ampere per second
B. One coulomb per second
C. One electron per second
D. 6.25 x 1018electrons per second
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

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

Be zero

B.

Be maintained constant

C.

Goes on increasing

D.

Go on decreasing
7 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
8 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power
9 An important part of inkjet printer is:
A. Toner
B.

Drum

C.

Deflection plates

D.

Heated roles
10

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

Test Questions