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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: - Two identical capacitors are first connected in series and then in parallel.
- Out of the following options which one can be used to produce a propagating
- An experiment takes 10 minutes to raise temperature of water from 0⁰C to 100⁰C
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two identical capacitors are first connected in series and then in parallel.
- Out of the following options which one can be used to produce a propagating
- An experiment takes 10 minutes to raise temperature of water from 0⁰C to 100⁰C
- The half-life of a radioactive substance is 30 min. The time (in minutes) taken
- A man of 50 kg mass is standing in a gravity free space at a height
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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