Questions
A variable condenser is permanently connected to a 100 V battery. If the capacity is changed from 2 μF to 10 μF, then change in energy is equal to
detailed solution
Correct option is D
ΔU=U2-U1=V22C2-C1 =(100)22(10-2)×10-6=4×10-2 JTalk to our academic expert!
Similar Questions
Two identical capacitors, have the same capacitance C. One of them is charged to potential V1 and the other to V2. The negative ends of the capacitors are connected together. When the positive ends are also connected, the decrease in energy of the combined system is
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