What is the instantaneous emf epsilon when i = I? Express your answer with the a

Question

What is the instantaneous emf epsilon when i = I? Express your answer with the appropriate units. A series RLC circuit consists of a 41.0 Ohm resistor, a 3.30 mH inductor, and a 420 nF capacitor. It is connected to a 3.0 kHz oscillator with a peak voltage of 4.70 V. What is the instantaneous emf epsilon when I = I? Express your answer with the appropriate units. What is the instantaneous emf epsilon when i = 0 A and is decreasing? Express your answer with the appropriate units. What is the instantaneous emf epsilon when i = -i? Express your answer with the appropriate units.

Explanation / Answer

(A) When current is maximum that means voltage is also at peak. { i = emf / |Z| }

E = 4.70 Volt

(B) when i = 0

that means emf also zero.

(C) i = - I

emf = - 4.70 Volt

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