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 body starts from rest, what is the ratio of the distance travelled by the body
  2. If r be the distance of a point on the axis of a magnetic dipole from its centre
  3. In an astronomical telescope in normal adjustment a straight black line of length
  4. If the number of radius of ²⁷Al is 3.6 Fermi, the approximate nuclear radius
  5. Two resistors of resistances 2Ω and 6Ω are connected in parallel.