In the a.c circuit above, the current value is

In the a.c circuit above, the current value is
  • A.
    0.58 A
  • B.
    3.00 A
  • C.
    4.00 A
  • D.
    6.67 A
Correct Answer: Option C
Explanation

Impedance Z =
√ R2 x X2 =
√ 302 x 402 
∴Z =
√ 2500  = 50W
But current I = V/Z = 200/50 = 4.00 A

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