| ⇦ | 
| ⇨ |
A parallel plate condenser has a uniform electric field E(V/m) in the space between the plates. If the distance between the plates is d(m) and area of each plate is A(m²) the energy (joules) stored in the condenser is
Options
(a) E² Ad / ?￢ﾂﾀ
(b) 1/2 ?￢ﾂﾀ E²
(c) ?￢ﾂﾀ E Ad
(d) 1/2 ?￢ﾂﾀ E² Ad
Correct Answer:
1/2 ?￢ﾂﾀ E² Ad
Explanation:
U = 1/2 CV²
U = 1/2 (A ?￢ﾂﾀ / d) (Ed)²
= 1/2 ?￢ﾂﾀ E² Ad
Related Questions: - 4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas
- A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
- If the focal length of a concave mirror is 50 cm, then where should the object
- If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly
- A circular disc X of radius R is made from an iron plate of thickness t and another disc
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas
- A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
- If the focal length of a concave mirror is 50 cm, then where should the object
- If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly
- A circular disc X of radius R is made from an iron plate of thickness t and another disc
Topics: Electrostatics (146)
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