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

 2:3:6.
 2:4:6.
 6:3:2.
 6:4:2.

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

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

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