Electric Circuits
One atomic mass unit ( amu ) is approximately equal to

 1.6 × 10-13 Kg.
 1.6 × 10-24 Kg.
  1.6 × 10-27 Kg.
 1.6 × 10-19 Kg.

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

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Electric Circuits
What is referred as the average value in AC opearation?

 Average of all values of an alternating quantity.
 Average of all values of the phase sequences.
 Average of all values of the (+)ve and (-)ve half.
  Average of all values of an alternating quantity over a complete cycle.

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