Electric Circuits
If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance?

 20 times.
 60 times.
 200 times.
 Nil.

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Electric Circuits
Two electric bulbs have transparent filament of same thickness. It one of them gives 60 W and other gives 100 W, then-

 100 W lamp filament has longer length.
 60 W and 100 W lamp filament have equal length.
 60 W lamp filament has longer length.
 60 W lamp filament has shorter length.

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