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April 21, 2015

April 21, 2015

Posted by **seema** on Tuesday, May 4, 2010 at 2:24am.

a) 1500 ohm

b) 1900 ohm

c) 1700 ohm

d) 500 ohm

e) 300 ohm

- physics -
**drwls**, Tuesday, May 4, 2010 at 7:15amThe angular frerquency is w = 2 pi f = 377 rad/s.

Total impedance is

Z = sqrt [R^2 + (wL - 1/(wC))^2]

= sqrt[150^2 + (13.2 - 1516)^2]

= sqrt[150^2 + 1503]^2] = 1510 ohms

a) is the closest to the correct answer. The capacitive reactance dominates.

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