A 140 resistor is in parallel with an inductor having 60 inductive reactance. Both components are across a 12 V ac source. The magnitude of the total impedance is-A-5.51 B-55.15 C-90 D-200 -B-55.15

Question

A 140  resistor is in parallel with an inductor having 60  inductive reactance. Both components are across a 12 V ac source. The magnitude of the total impedance is-A-5.51 B-55.15 C-90 D-200 -B-55.15

APTITUDE CRACK · Accepted Answer

B 55.15  Z = R * XL/&radic;(R2 * XL2). Z= 140 * 60/&radic;(140 * 140 * 60 * 60). Z= 55.15&Omega;. Option B.

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A 140 resistor is in parallel with an inductor having 60 inductive reactance. Both components are across a 12 V ac source. The magnitude of the total impedance is

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A 140 resistor is in parallel with an inductor having 60 inductive reactance. Both components are across a 12 V ac source. The magnitude of the total impedance is

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