CapacitanceHard
Question
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/ε0
B.
ε0 E2
ε0 E2C.ε0 EAd
D.
ε0 E2Ad
ε0 E2AdSolution
Capacitance of a parallel plate condenser is
.....(i)
Potental difference across the plates is
V = Ed
Energy stored in the condenser is

[Using (i) and (ii)]
ε0 E2 Ad
.....(i)Potental difference across the plates is
V = Ed
Energy stored in the condenser is

[Using (i) and (ii)]
ε0 E2 Ad Create a free account to view solution
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