| ⇦ | 
| ⇨ |
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: - Transformer is used to
- In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.
- The purpose of using heavy water in nuclear reactor is
- Three capacitors 3μF,6μF and 6μF are connected in series to a source of 120V.
- Two coherent monochromatic beams of intensities I and 4I respectively, are superposed.
Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Transformer is used to
- In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.
- The purpose of using heavy water in nuclear reactor is
- Three capacitors 3μF,6μF and 6μF are connected in series to a source of 120V.
- Two coherent monochromatic beams of intensities I and 4I respectively, are superposed.
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