coil with inductance 888mH and a 0.94 capacitor in series with resistor. For ac current having...
coil with inductance 888mH and a 0.94 capacitor in series with resistor. For ac current having frequency of 930Hz, the voltage leads the current by a phase angle of 75 degrees. what is the value of the unknown resistance?
Homework Answers
here,
for the resitance
f = 930 Hz
Now,
tan(theta) = (XL - XC)/R
tan(75 degree) = (2pi * 930 * 0.888 - 1/(2pi * 930 * 0.94))/(R)
solving for R
R = 1390 Ohm
the unknown resistanc eis 1390 Ohm
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