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 ?

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

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Electric Circuits
What is called a cycle in case of AC operation ?

 When an alternating quantity completes the (–)ve cycle, is called a cycle.
 Option A and C both.
  When ac goes through a complete (+)ve to (-)ve, is called a cycle.
 When ac completes the (+)ve half, is called a cycle.

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