ECAT Pre General Science Physics Chapter 13 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 13 Current Electricity

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ECAT Pre General Science Physics Chapter 13 Current Electricity

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Question # 1

Selenium is:

Question # 2

The electric flux through any surface depends upon:

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Gaussian surface is always:

Question # 7

Thermistors are prepared under

Question # 8

In gases, the charge carries are:

Question # 9

The number of field lines passing through unit area held perpendicular to the field lines represent:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

In case of metallic conductors, the charge carriers are

Question # 14

Electric field lines emerge from the charge in:

Question # 15

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 # 16

In case of metallic conductors, the charge carriers are

Question # 17

In a metal, the valence electrons are:

Question # 18

Kirchhoff's first rule is also called:

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

An ideal voltmeter has:

Question # 23

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

Question # 24

When a constant potential difference is applied across the conductor, the drift velocity of electrons:

Question # 25

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

Question # 26

The value of relative permittivity of different dielectrics are:

Question # 27

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

Question # 28

An eV is unit of:

Question # 29

As the current flow through the wire:

Question # 30

The inkjet printer ejects a thin stream of:

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ECAT Physics Chapter 13 Important MCQ's

Sr.# Question Answer
1 Field lines are closer to each other in the region where the field is:
A.

Stronger

B.

Weaker

C.

Much weaker

D.

Absent
2 The positive charge moving in one direction is equivalent in all external affects to a:
A.

Negative charge is moving in the same direction

B.

Positive charge is moving in the opposite direction

C.

Negative charge moving in the opposite direction

D.

Positive charges moving in the same direction
3

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

Thermistor

B.

Thermometer

C.

Thermostat

D.

Thermocouple
4

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

Straight lines

B.

Sine curves

C.

Curved

D.

Both (A) and (B)
5

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
6 The emf is measured in:
A. Newton
B. Volt
C. J/C
D. Both A and B
7 The charge carriers in an electrolyte are
A. Positive ions
B. Negative ions
C. Either A or B
D. Both A and B
8 Kirchhoff's first rule is also called:
A. Loop rule
B. Thumb rule
C. Point rule
D. Right hand rule
9 The passage of current is accompanied by a magnetic field in the surrounding space:
A.

Always accompanied

B.

Sometimes accompanied

C.

Never accompanied

D. Any of above
10 An example of photoconductor is:
A.

Boron

B.

Carbon

C.

Iron

D.

Aluminum

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