ECAT Pre General Science Physics Chapter 13 Current Electricity

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  • Chapter NameCh 13 - Current Electricity

ECAT Pre General Science Physics Chapter 13 Current Electricity

  • Total Questions30

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ECAT Pre General Science Physics Chapter 13 Current Electricity

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Question # 1

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

Question # 2

The magnitude of chemical Effects depends upon:

Question # 3

The obvious effect/s of current is/are:

Question # 4

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

Question # 5

The term drift velocity is used when the ends of a wire are:

Question # 6

When certain area A is held parallel to the field lines, then:

Question # 7

The charge carriers in an electrolyte are

Question # 8

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

Question # 9

The third band of the colour code:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

In case of metallic conductors, the charge carriers are

Question # 14

An eV is unit of:

Question # 15

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

Question # 16

Heating effect of current utilized in:

Question # 17

In case of metallic conductors, the change carries are:

Question # 18

Thermistors are prepared under

Question # 19

The best conductor is:

Question # 20

An important part of inkjet printer is:

Question # 21

As the current flow through the wire:

Question # 22

As the current flows through the wire

Question # 23

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

Question # 24

Selenium is:

Question # 25

An inkjet printer uses in its operation:

Question # 26

An electric field is generated along the wire when:

Question # 27

Tick the correct statement:

Question # 28

The free electrons in metals:

Question # 29

In a metal, the valence electrons are:

Question # 30

An example of photoconductor is:

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