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Easy hw problem. This is a timed assignment 30mins answer will be appreciated

Question Details My Not An AC generator delivers an alternating current I(t) (2.1 A) sint(140m rad/s)t] to a single resistor in series with the generator (a) What is the rms value of the current in the circuit? (b) If the resistor has a resistance of 200.0 Ω, what is the rms value of the source emf? (c) What is the maximum value of the source emf? (d) Write a function that describes the source emf as a function of time. (Use the following as necessary: t. Do not use other variables, substitute numeric values. Assume that ε is in volts and t is in seconds. Do not include units in your answer.) My Nol
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