Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 10 N.
 10000 N.
 1000 N.
 100 N.

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

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