Navigate

The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,

The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source, then the loss of power is 20 W. When its is connected with 10 V AC source loss of power is 10 W. The frequency of AC source will be

Options

(a) 80 Hz
(b) 100 Hz
(c) 120 Hz
(d) 220 Hz

Correct Answer:

80 Hz

Explanation:

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

BCE2012
admin:

Related Questions

  1. A solid cylinder of mass 50kg and radius 0.5 m is, free to rotate about the horizontal axis
  2. A ball rolls off the top of stair way with a horizontal velocity of magnitude 1.8 m/s
  3. Laser light is considered to be coherant because it consists of
  4. Complete the reaction: ₀n¹+ ₉₂U²³⁵→₅₆Ba¹⁴⁴+……..+3n
  5. In which of the following systems will the radius of the first orbit (n=1) be minimum?