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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: - The energy released by the fission of one uranium atom is 200 MeV.
- A stone is tied to a string of length l and whirled in a vertical circle with the other end
- To what temperature should the hydrogen at room temperature (27°C) be heated at constant
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The energy released by the fission of one uranium atom is 200 MeV.
- A stone is tied to a string of length l and whirled in a vertical circle with the other end
- To what temperature should the hydrogen at room temperature (27°C) be heated at constant
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
- A p-n photodiode is made of a material with a band gap of 2.0 eV
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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