A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt

A Coil Of Resistance 10 And An Inductance 5 Physics Question

A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt battery. The energy stored in the coil is

Options

(a) 250 erg
(b) 250 J
(c) 125 erg
(d) 125 J

Correct Answer:

250 J

Explanation:

Energy U = (1/2) LI²

= (1/2) × 5 × (100/10)² = 250 J

Related Questions:

  1. The ratio of minimum wavelengths of Lyman and Balmer series will be
  2. If an electron and a positron annihilate, the energy released is
  3. A certain metallic surface is illuminated with monochromatic light of wavelength
  4. 64 identical spheres of charge q and capacitance C each are combined to form a large
  5. In an a.c circuit the e.m.f. (e) and the current (i) at any instant are given

Topics: Electromagnetic Induction (76)
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Your email address will not be published.


*