# AC Fundamentals – 55

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55. If the rms current through a 6.8 kΩ resistor is 8 mA, the rms voltage drop across the resistor is ________.

(a) 5.44 V
(b) 54.4 V
(c) 7.07 V
(d) 8 V

Explanation
Explanation :

V = I * R
rms voltage = rms currant * resistance = 6.8 * 1000 * (8/1000) = 54.4 V.

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