A capacitor with capacitance C and a coil with active resistance R and inductance L are connected in parallel to a source of sinusoidal voltage of frequency ω .
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Sol. The circuit of the problem is shown in Fig. The impedance of the circuit is
= 
+ 
= 
+ 
= ω Cj + 
( 
j 2 = – 1)
or 
= 
= 
∴ Z = 
∴ Z = 
Z = 
∴ tan φ = 
From previous part of problem,
Z = 
∴ | Z | = 
∴ Z = | Z | = 
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