Capacitor charging work stored as: MCQ with Answer and Explanation

Capacitor charging work stored as:
A. Magnetic energy
B. Electrostatic energy
C. Heat
D. Chemical energy
Answer: Option B
Solution (By JKExamLibrary)
Work done stored in electric field between plates: U = ½CV². Recoverable on discharge. Memory aid: 'Capacitor energy = ½CV² in electric field'. Electrostatics concept frequently tested in competitive exams.

This question belongs to: Science Physics

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Physics Questions

Question #1 Report Error
The speed of sound is maximum in
A. Iron
B. Air at 0°C
C. Water
D. Air at 20°C

Correct Answer: Option A


Explanation:
Sound travels fastest in solids. Iron ~5000 m/s.

This question belongs to: Science Physics
Question #2 Report Error
The centre of gravity of a uniform sphere is at
A. Surface
B. Geometric centre
C. Midpoint of radius
D. Outside sphere

Correct Answer: Option B


Explanation:
For uniform sphere, centre of gravity is at centre.

This question belongs to: Science Physics
Question #3 Report Error
The near point of a normal human eye is
A. 50 cm
B. 100 cm
C. Infinity
D. 25 cm

Correct Answer: Option D


Explanation:
25 cm for young adult with normal vision.

This question belongs to: Science Physics