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

In gases, the charge carriers are:

Question # 2

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

Question # 3

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

Question # 4

A field free region is found:

Question # 5

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

Question # 6

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

Question # 7

In case of metallic conductors, the charge carriers are

Question # 8

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 # 9

An example of photoconductor is:

Question # 10

The third band of the colour code:

Question # 11

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

Question # 12

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

Question # 13

Static electricity is produced by the transfer of:

Question # 14

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

Question # 15

Gaussian surface is always:

Question # 16

The magnitude of chemical Effects depends upon:

Question # 17

An electric field is generated along the wire when:

Question # 18

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

Question # 19

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

Question # 20

Selenium is:

Question # 21

Tick the correct statement:

Question # 22

The charge carriers in an electrolyte are

Question # 23

Conversion of chemical energy to electrical energy can be achieved by:

Question # 24

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

Question # 25

An eV is unit of:

Question # 26

An important part of photocopier is:

Question # 27

An important part of inkjet printer is:

Question # 28

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

Question # 29

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

Question # 30

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:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1

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)
2

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

Its shaft to revolve

B.

Its brushes to rotate

C.

Motor to move

D.

Its shafts to rotate
3

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
4 In case of metallic conductors, the charge carriers are
A. Protons
B. Electrons
C. Antiprotons
D. Positrons
5 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)
6 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
7 The value of resistivity is the least for:
A. Copper
B. Aluminimum
C. Silver
D. Tungsten
8

The charge carries in the electrolyte are:
A.

Positive ions

B.

Negative ions

C.

Either (A) or (B)

D.

Both (A) and (B)
9 An ideal voltmeter has:
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
10 An eV is unit of:
A.

Potential

B.

Energy

C.

Work

D.

Power

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