A circuit consists of an inductor (L = 1.00 mH), two resistors (R_1 = 270.Ohm, R

Question

A circuit consists of an inductor (L = 1.00 mH), two resistors (R_1 = 270.Ohm, R_2 = 680. Ohm), one battery (epsilon = 12.0 V), and a switch. Find the power output by R_1 immediate after the switch is closed. Find the current through the battery a long time after the switch is closed. A circuit consists of an inductor (L = 9.00 mH), resistor (R = 200 Ohm), and two capacitors (C_1 = 60.0 mu F, C_2 = 40.0 mu F) connected in series to an alternating power Source. Find the impedance of the circuit if the input voltage oscillates sinusoidally at a frequency of 50.00 Hz. Find the resonance frequency of the circuit.

Explanation / Answer

Here ,

17 ) just after the switch is closed

inductor is open circuited ,

power output in R1 = 12^2/270

power output in R1 = 0.533 W

18)

after a long time

the inductor is short circuited

net resistance , R = 270* 680/(270 + 680)

R = 193 Ohm

current through battery = 12/193

current through battery = 0.061 A

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