Physics ECAT Pre Engineering Chapter 13 Current Electricity

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  • Chapter NameCh 13 - Current Electricity

Physics ECAT Pre Engineering Chapter 13 Current Electricity

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Physics ECAT Pre Engineering Chapter 13 Current Electricity

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Question # 1

Most practical applications of electricity involve

Question # 2

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

Question # 3

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 # 4

Electrostatics is the branch of physics which deals with the study of electro charges:

Question # 5

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

Question # 6

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

Question # 7

In case of metallic conductors, the change carries are:

Question # 8

The charge carriers in an electrolyte are

Question # 9

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

Question # 10

In gases, the charge carriers are:

Question # 11

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

Question # 12

A field free region is found:

Question # 13

In case of metallic conductors, the charge carriers are

Question # 14

Gaussian surface is always:

Question # 15

Selenium is:

Question # 16

The current that flows through the coil of a motor causes

Question # 17

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

Question # 18

Electrolysis is the study of conduction of electricity through:

Question # 19

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

Question # 20

In case of metallic conductors, the charge carriers are

Question # 21

An eV is unit of:

Question # 22

Heating effect of current utilized in:

Question # 23

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

Question # 24

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

Question # 25

The third band of the colour code:

Question # 26

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

Question # 27

The fourth band is a:

Question # 28

The value of relative permittivity of different dielectrics are:

Question # 29

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

Question # 30

Static electricity is produced by the transfer of:

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