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CBSE Notes 2011-2012 » X-Science-Part1

Sources of Energy

A current of 6.0 mA is produced by a solar cell of 4 cm2 area with the potential in the order 0.4 to...

Multiple choice question

A current of 6.0 mA is produced by a solar cell of 4 cm2 area with the potential in the order 0.4 to 0.5 volt. The area of panel required for developing 50 volt with the same current is (in cm2)

Windmill is used in large scale in

Multiple choice question

Windmill is used in large scale in

Wind is caused due to

Multiple choice question

Wind is caused due to

The percentage of solar energy reaching the earth's surface out of that portion which enters the atm...

Multiple choice question

The percentage of solar energy reaching the earth's surface out of that portion which enters the atmosphere is

Chain reaction is a

Multiple choice question

Chain reaction is a

Probability of 235U forming Ba and Kr on fission is

Multiple choice question

Probability of 235U forming Ba and Kr on fission is

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