Let suppose a condenser is charged to 5 𝛍f is now doubled ,then what would be the change in Energy stored 1 Remains same 2 Becomes two times 3 Becomes four times 4 Becomes half
As we know, E=Q 2 /2c, thus E∝Q 2
Hence on doubling the value of Q, Energy stored
becomes 4 times. Hence the correct option is (3).