Electric Circuits
Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is

 2:4:6.
 2:3:6.
 6:4:2.
 6:3:2.

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Electric Circuits
What is time period T?

 Time taken by an alternating quantity to complete the (-)ve half.
 Time taken by an alternating quantity to complete one full cycle.
 Time taken by an alternating quantity to reach the peak value.
 Time taken by an alternating quantity to complete the (+)ve half.

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