7.19 Suppose the circuit in Exercise 7.18 has a resistance of 15 Ω. Obtain the average power transferred to each element of the circuit, and the total power absorbed.

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Payal Gupta | Contributor-Level 10

8 months ago

7.19 Inductance, L = 80 mH = 80 $* 10^{- 3}$ H

Capacitance, C = 60 $μ F$ = 60 $* 10^{- 6}$ F

Resistance of the resistor, R = 15 Ω

Supply voltage, V = 230 V

Supply frequency, $ν$ = 50 Hz

Peak voltage, $V_{0}$ = V $\sqrt 2$ = 325.27 V

Angular frequency, $ω$ = 2 $π ν$ = 2 $π * ν$ = 2 $π * 50$ = 100 $π$ rad/s

Since the elements are connected in series, the impedance is given by

Z = $\sqrt[]{R^{2} + ({ω L - \frac{1}{ω C})}^{2}}$

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Physics Ncert Solutions Class 12th 2023

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