Electric Circuits
The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance?

 100 Ohms.
 200 Ohms.
 50 Ohms.
 400 Ohms.

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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-

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

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