Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is

  50.8 V.
  30.6 V.
 24.4 V .
 40.8 V.

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Electric Circuits
Which of the following characteristics is/are attributed to an ideal independent voltage source?

 both ‘b’ and ‘d’.
 Independent of the magnitude of voltage supplied.
 Independent of magnitude of current supplied..
 Independent of the direction of flow of current.

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