The capacitance of a parallel plate capacitor:
The charge stored on a capacitor:
Energy stored by a capacitor:
The electric field in a parallel plate capacitor:
We'll use the expression for the capacitance.
Given a parallel-plate capacitor with plates of area A separated by a distance l. Consider the quantities, (i) capacitance C, (ii) magnitude E of the electric field between the plates, (iii) magnitude of the charge Q on the plates, (iv) potential difference ΔV between the plates, and (v) energy U stored in the capacitor
Assume we apply a given potential difference ΔV0 to the plates. In terms of any of A, l, ΔV0, and constants express each of the quantities (i) - (v) listed above. Use subscripts "0" for each result: C0, E0, etc.
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