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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 particle executing simple harmonic motion has a kinetic energy K₀cos²ωt.
- A ball moving with velocity 2 m/s collides head on with another stationary ball
- A particle of mass m is projected with a velocity v making an angle of 45°
- The average power dissipated in a pure inductor is
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The particle executing simple harmonic motion has a kinetic energy K₀cos²ωt.
- A ball moving with velocity 2 m/s collides head on with another stationary ball
- A particle of mass m is projected with a velocity v making an angle of 45°
- The average power dissipated in a pure inductor is
- The displacement ‘x’ (in meter) of a particle of mass ‘m’ (in kg) moving in one
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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