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 electric flux through any surface depends upon:

Question # 2

An ideal voltmeter has:

Question # 3

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

Question # 4

As the current flow through the wire:

Question # 5

In case of metallic conductors, the change carries are:

Question # 6

The emf is measured in:

Question # 7

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

Question # 8

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

Question # 9

An electric field is generated along the wire when:

Question # 10

The earth’s potential and potential at infinity are taken:

Question # 11

A field free region is found:

Question # 12

The best conductor is:

Question # 13

A rheostat can e used:

Question # 14

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

Question # 15

The flux through a closed surface depends upon:

Question # 16

The value of resistivity is the least for:

Question # 17

In case of metallic conductors, the charge carriers are

Question # 18

As the current flows through the wire

Question # 19

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

Question # 20

The charge carries in the electrolyte are:

Question # 21

Aluminum is a:

Question # 22

A thermistor is a resistor which is:

Question # 23

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

Question # 24

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

Question # 25

An inkjet printer uses in its operation:

Question # 26

Gaussian surface is always:

Question # 27

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

Question # 28

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

Question # 29

In gases, the charge carriers are:

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 Electric field lines emerge from the charge in:
A.

One dimension

B.

Two dimensions

C.

Three dimensions

D.

Four dimensions
2

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)
3 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
4

Heating effect of current utilized in:
A.

Electric motor

B.

Electric toaster

C.

Electroplating

D.

Electric kettle
5 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
6 Xerography means:
A.

Dry writing

B. Wet writing

C.

Poor writing

D.

Excellent writing
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 Another mean of electric potential energy per unit charge is given by:
A.

Electric intensity

B.

Potential gradient

C.

Electric Flux

D.

Potential difference
9 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)
10 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

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