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

A field free region is found:

Question # 2

The magnitude of chemical Effects depends upon:

Question # 3

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

Question # 4

The charge carries in the electrolyte are:

Question # 5

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

Question # 6

The interior of a hollow charged metal sphere is a region which:

Question # 7

The free electrons in metals:

Question # 8

The emf is measured in:

Question # 9

An example of photoconductor is:

Question # 10

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 # 11

Electric flux is:

Question # 12

Electric field lines emerge from the charge in:

Question # 13

Field lines are closer to each other in the region where the field is:

Question # 14

An important part of photocopier is:

Question # 15

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

Question # 16

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

Question # 17

As the current flows through the wire

Question # 18

Selenium is:

Question # 19

Xerography means:

Question # 20

In case of metallic conductors, the charge carriers are

Question # 21

Most practical applications of electricity involve

Question # 22

The inkjet printer ejects a thin stream of:

Question # 23

Thermistors are prepared under

Question # 24

In case of metallic conductors, the change carries are:

Question # 25

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

Question # 26

A rheostat can e used:

Question # 27

Certain charge +q is placed at the center of a sphere. At each of the sphere,The directions of electric intensity and vector area are:

Question # 28

As the current flow through the wire:

Question # 29

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

Question # 30

The third band of the colour code:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

The obvious effect/s of current is/are:
A.

Heating effect

B.

Magnetic effect

C.

Chemical effect

D.

Both (C) and (B)
2 The third band of the colour code:
A. Gives the number of zeroes
B. Is decimal multiplier
C. Gives the resistance tolerance
D. Gives the third digit
3 Most practical applications of electricity involve
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
4

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
5 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
6

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

Chemical energy

B.

Mechanical energy

C.

Heat energy

D.

Both (A) and (B)
7 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
8 The surface destiny of charge is defined is:
A.

Charge per volume

B.

Mass per volume

C.

Charge per area

D.

Mass per area
9 Which of the following substances has got positive temperature coefficient of resistance?
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
10 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

Test Questions

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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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