Question icon
Grade 11Electrostatics

If the potential of a capacitor having capacity 6 mF is increased from 10 V to 20 V, then increase in its energy will be

(a) 4 × 10-4 J

(b) 4 × 10-4 J

(c) 9 × 10-4 J

(d) 12 × 10-6 J

Profile image of Simran Bhatia
12 Years agoGrade 11
Answers icon

1 Answer

Profile image of Amit Saxena
12 Years ago

(c)

Capacitance of capacitor(C)=6 mF = 6 × 10-6 F;

Initial potential (V1) = 10 V and final potential (V2) = 20 V.

The increase in energy (?U)