CapacitanceMedium
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
View Solution FreeMore Capacitance Questions
A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distancebetween the pl...A parallel plate capacitor is charged and the charging battery is then disconnected. The plates of the capacitor are now...A certain substance, with a dielectric constant k = 2.5 and the dielectric strength E = 1.8 × 107 N/C, completely fills ...Three capacitors of value 6, 3 and 9 μF are joined according to the circuit and then the combination is connected w...A 40 μ capacitor in a defibrillator is charged to 3000 V. The energy stored in the capacity tor is set through the ...