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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
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- Consider two particles of different masses. In which of the following situations
- Equal charge q each are placed at the vertices AQ and B of an equilateral triangle
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The cadmium rods are used in nuclear reactor to
- Consider two particles of different masses. In which of the following situations
- Equal charge q each are placed at the vertices AQ and B of an equilateral triangle
- Wavefront is the locus of all points, where the particles of the medium
- The angular momentum of an electron is J. The magnitude of the magnetic moment
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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