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In a series L-R-C ac circuit the current has the form
i(t) = 7 A cos(ω t)
while the ac source voltage is of the form
v(t) = 33 V cos(ω t + ϕ)
where ω = 377 rad/s and ϕ = −1 radians. Calculate (in Watts) the average power delivered to the circuit.
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