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An a.c. source with variable frequency is connected to a parallel plate capacitor . How will the displacement current be affected with the decrease in frequency of the source ? |
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Answer» Solution :Displacement current decreases with decrease in frequency of a.c. source) [HINT : `I_(D)=in_(0)(dphi_(epsilon))/(dt)=in_(0)(d)/(dt)(EA)=in_(0)(d)/(dt)(V/d.A)` `=(in_0A)/(d).(dV)/(dt)=C(dV)/(dt)=C(d)/(dt)(V_(m)SINOMEGAT)=CV_(m)omegacosomegat"THUS"I_Dpropomega`] |
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