Electric Circuits
In RLC series circuit if the Q factor is 1, then the damping of the system is

 Over damping
 Critical damping
 Undamping
 Under damping

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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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