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. A rectangular copper coil is placed in a uniform magnetic field of induction 40 mT
  2. A point charge q is placed at a distance x/2 directly above the centre of a cube
  3. Parsec is the unit of
  4. A car of mass m starts from rest and accelerates so that the instantaneous
  5. An avarage induced e.m.f. of 1 V appears in a coil when the current in it is changed