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RL Circuits

Q1:
Calculate the voltage dropped across L2 in the given circuit.

A 18 V

B 6 V

C 13.5 V

D 0 V

ANS:B - 6 V

XL2 = 2 * 3.14 * 20,000 * 18 * 10^-6 = 2.26 ohm.
Z2 = Sq,rt (R^2 + XL^2).
Z2 = Sq,rt (10^2 + 2.26^2).
Z2 = 10.25 Ohm.

Voltage drop across L2 = Vs (XL2/Z2).
Voltage drop across L2 = 27 (2.26 /10.25).
Voltage drop across L2 = 5.95 V (nearly = 6 V).



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