| ⇦ | 
| ⇨ |
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: - At what distance from the centre of earth, the value of acceleration due to gravity
- Two charges placed in air repel each other by a force of 10⁻⁴ N. When oil is
- For a given velocity, a projectile has the same range R for two angles of projection.
- The mean radius of the earth is R, its angular speed on its own axis is ?
- The sodium nucleus ₁₁Na²³ contains
Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- At what distance from the centre of earth, the value of acceleration due to gravity
- Two charges placed in air repel each other by a force of 10⁻⁴ N. When oil is
- For a given velocity, a projectile has the same range R for two angles of projection.
- The mean radius of the earth is R, its angular speed on its own axis is ?
- The sodium nucleus ₁₁Na²³ contains
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
Leave a Reply