Electric Circuits
Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ?

  - 50 V.
 50 V.
  30 V.
  none of above.

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Electric Circuits
What is time period T?

 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.
 Time taken by an alternating quantity to complete the (+)ve half.

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