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

An electric field is generated along the wire when:

Question # 2

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 # 3

An example of photoconductor is:

Question # 4

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

Question # 5

Static electricity is produced by the transfer of:

Question # 6

Kirchhoff's first rule is also called:

Question # 7

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

Question # 8

Most practical applications of electricity involve

Question # 9

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

Question # 10

Heating effect of current utilized in:

Question # 11

An ideal voltmeter has:

Question # 12

Gaussian surface is always:

Question # 13

The surface destiny of charge is defined is:

Question # 14

In gases, the charge carriers are:

Question # 15

A field free region is found:

Question # 16

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

Question # 17

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

Question # 18

The charge carriers in an electrolyte are

Question # 19

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

Question # 20

Xerography means:

Question # 21

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

Question # 22

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 # 23

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

Question # 24

An inkjet printer uses in its operation:

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

The inkjet printer ejects a thin stream of:

Question # 29

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

Question # 30

The value of resistivity is the least for:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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

Cell

B.

Voltmeter

C.

Thermocouple

D.

Potentiometer
2 The quantity having the same unit as that of emf is:
A. Force
B. Energy
C. Potential
D. Current
3 An important part of photocopier is:
A.

Toner cartridge

B. Deflection plates

C.

Charging electrode

D.

Print head
4 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
5 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
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

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:
A.

Same

B.

Different

C.

Opposite to each other

D.

At 60º with each other
8 Gaussian surface is always:
A.

Rectangular

B.

Spherical

C.

Cylindrical

D.

Box shape
9 Aluminum is a:
A.

Good insulator

B.

Bad conductor

C.

Both (A) and (B)

D.

Excellent conductor
10 Which instrument is expensive and difficult to use?
A. Voltmeter
B. Potentiometer
C. CRO
D. Both A and C

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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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