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

⇦

⇨

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. A tangent galvanometer has a coil of 50 turns and a radius of 20 cm. The horizontal
2. In Young’s double slit experiment, the phase difference between the two waves
3. Minimum and maximum values of Poisson’s ratio for a metal lies between
4. If the lattice parameter for a crystalline structure is 3.6 Å, then the atomic radius
5. A particle of mass M is suited at the centre of a spherical shell of same mass and radius

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.

---

Share this page with your friends