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

The Selfinductance Of A Choke Coil Is 10 Mh When Physics Question

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.

Related Questions:

  1. The charge flowing through a resistance R varies with time t as Q=at-bt²,
  2. A bar magnet of moment of inertia I is vibrated in a magnetic field of induction
  3. A flywheel rotating about a fixed axis has a kinetic energy of 360 J when
  4. Which of the two have same dimensions?
  5. Equal currents are passing through two very long and straight parallel wires

Topics: Alternating Current (96)
Subject: Physics (2479)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*