A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series

A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series with a condenser of capacitative reactance 25 Ω. The combination is connected to an a.c. source of 110 V. The power factor of the circuit is

Options

(a) 0.33
(b) 0.56
(c) 0.64
(d) 0.8

Correct Answer:

0.8

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. If a small sphere is let fall vertically in a large quantity of still liquid of density
  2. If a proton, a deuteron and an alpha particle, on being accelerated by the same
  3. A bubble is rising from bottom of a lake. The volume of bubble becomes
  4. Two resistors of 6Ω and 9Ω are connected in series to a 120 V source.
  5. A radiactive substance emits 100 beta particles in the first 2s and 50 beta