In an electrical circuit R, L, C and an a.c. voltage source are all connected in series. When L is removed from the circuit, the phase difference between the voltage and the current in the circuit is . If instead, C is removed from the circuit, the phase difference is again
. The power factor of the circuit is:
1
As we learnt in
Impedence -
-
Power factor -
- wherein
resistance
impedence
when C is removed from the Circuit
Power factor
Option 1)
Incorrect
Option 2)
Incorrect
Option 3)
1
Correct
Option 4)
Incorrect
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