A variable frequency AC source is connected to a capacitor. How will the displacement current change with decrease in frequency?
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The relation of displacement current change with capacitor is I=C×dV/dt.
- We can also write the relation as V=I×Z or I=V×jWC.
- This shows the frequency and displacement current as they are directly proportional to each other.
- When the frequency increases the displacement current also increases.
- There is also dependency on the phase when it is with respect to source voltage remain constant with frequency.
- This only happens when there is ideal capacitance.
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