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A charged 8mF capacitor having charge 5mC is connected to a 5mH inductor. What is : iv) the magnetic energy in the inductor at the instant when charge on capacitor is 4mC? |
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Answer» Solution :(iv) Magnetic ENERGY in the inductor when charge on CAPACITOR is 4mC. `U_(L) = U - U_(C ) = (1)/(2) (q_(0)^(2))/(C ) - (1)/(2) (Q^2)/( C ) = (q_(0)^(2) - q^2)/(2 C)` Here `q_(0) =5 m C, q = 4 m C` |
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