⇦ | ⇨ |
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: - At what distance from the centre of earth, the value of acceleration due to gravity
- A tuned amplifier circuit is used to generate a carrier frequency of 2 MHz
- The resultant of two forces, one double the other in magnitude, is perpendicular
- A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
- A photon of wavelength 300nm interacts with a stationary hydrogen atom in ground
Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- At what distance from the centre of earth, the value of acceleration due to gravity
- A tuned amplifier circuit is used to generate a carrier frequency of 2 MHz
- The resultant of two forces, one double the other in magnitude, is perpendicular
- A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
- A photon of wavelength 300nm interacts with a stationary hydrogen atom in ground
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