A resistance R carries a current I = (5.0 A) sin 120t + (7.0 A) sin 240t.
Question:
A resistance R carries a current I = (5.0 A) sin 120πt + (7.0 A) sin 240πt.
(a) What is the rms current?
(b) If the resistance R is 12Ω, what is the power dissipated in the resistor?
(c) What is the rms voltage across the resistor?
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a We find I 2 I 2 25 sin 2 120 t 70 sin 120 t ...View the full answer
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Fundamentals of Ethics for Scientists and Engineers
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