Questions
Two condensers, one of capacity C and the other of capacity C/2, are connected to a V volt battery, as shown. The work done in charging fully both the condensers is
a
2CV2
b
14CV2
c
34CV2
d
12CV2
detailed solution
Correct option is C
Q = CV, In parallel, V = constant.Net capacitance of circuit= C + C2= 3C2Work done by the battery to fully charge both the capacitors = 12×3C2×V2=3CV24Talk to our academic expert!
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A condenser of capacity 50 F is charged to 10 volts. Its energy is equal to
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