A resistor of 
, an inductance of 
are in series with an a.c. which is given by 
. The power factor of the combination is
A
B
C
0.5
D
0.6
Text Solution
Verified by ExpertsThe correct answer is:
A
Here, 
Compare 
with 
, we get, 
The inductive reactance is
Impedance of the 
circuit is
Power factor, 
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