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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: - Three unequal resistors in parallel are equivalent to a resistance 1 Ω.
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Three unequal resistors in parallel are equivalent to a resistance 1 Ω.
- Two cities are 150 km apart. Electric power is sent from one city to another city
- A particle is executing SHM along a straight line. Its velocities at distances
- Two radiations of photons energies 1 eV and 2.5 eV, successively
- The velocity of a particle at an instant is 10 ms⁻¹ and after 5 s the velocity
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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