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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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- Ratio of the radii of the nuclei with mass numbers 8 and 27 would be
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Electrical force is acting between two charges kept in vacuum. A copper plate
- A charged particle experiences magnetic force in the presence of magnetic field.
- Ratio of the radii of the nuclei with mass numbers 8 and 27 would be
- Two spheres of mass m and M are situated in air and the gravitational force
- The surface tension of a liquid is 5 newton per metre. If a film
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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