Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>EXERCISE>Q 8

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Through a given cross section $n_{1}$ electrons per second are passing from left to right and $n_{2}$ protons per second are passing from right to left simultaneously. The electric current through that cross section is ( $e =$ electronic charge)

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Important Questions on Current Electricity

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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>EXERCISE>Q 9

The dimensional formula of mobility is

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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>EXERCISE>Q 10

Figure shows graph between $I$ and $V$ for two conductors $A$ and $B$ . Their respective resistances are in the ratio.

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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>EXERCISE>Q 12

In a house, individual powers of two elements are

100 W

and

150 W

, Effective power of their series combination will be?

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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>EXERCISE>Q 13

If two bulbs of power

60 W

and

100 W

respectively each rated

110 V

are connected in series with the supply of

220 V

, then

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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>EXERCISE>Q 14

Two electric bulbs whose resistances are in the ratio

1 : 2

are connected in series to a constant voltage source. The power dissipated in them are in the ratio

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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>EXERCISE>Q 15

Fuse wire should have

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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>EXERCISE>Q 16

Kilowatt-hour is the unit of?

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Gamma Question Bank for Medical Physics>Chapter 18 - Current Electricity>EXERCISE>Q 17

Two electric bulbs A and B rated

200 V ~ 100 W

and

200 V ~ 60 W

are connected in series to a

200 V

line. Then the potential drop across