| ⇦ | 
| ⇨ |
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: - Two wheels having radii in the ratio 1:3 are connected by a common belt
- The horizontal range of a projectile is 4√3 times the maximum height achieved
- Light of frequency 8×10¹⁵ Hz is incident on a substance of photoelectric work
- The breaking stress of a wire depends upon
- The wavelength of the first line of Lymasn series for hydrogen atom is equal
Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two wheels having radii in the ratio 1:3 are connected by a common belt
- The horizontal range of a projectile is 4√3 times the maximum height achieved
- Light of frequency 8×10¹⁵ Hz is incident on a substance of photoelectric work
- The breaking stress of a wire depends upon
- The wavelength of the first line of Lymasn series for hydrogen atom is equal
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply