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

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

Question # 2

An example of photoconductor is:

Question # 3

The emf is measured in:

Question # 4

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

Question # 5

As the current flows through the wire

Question # 6

The best conductor is:

Question # 7

Electric field lines emerge from the charge in:

Question # 8

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

Question # 9

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

Question # 10

The value of relative permittivity of different dielectrics are:

Question # 11

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

Question # 12

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

Question # 13

The charge carriers in an electrolyte are

Question # 14

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

Question # 15

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

Question # 16

An electric field is generated along the wire when:

Question # 17

In case of metallic conductors, the charge carriers are

Question # 18

As the current flow through the wire:

Question # 19

Kirchhoff's first rule is also called:

Question # 20

Magnetic effect of current is used:

Question # 21

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

Question # 22

A field free region is found:

Question # 23

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

Question # 24

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

Question # 25

An eV is unit of:

Question # 26

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

Question # 27

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

Question # 28

The charge carries in the electrolyte are:

Question # 29

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

Question # 30

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

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