The capacitance C of a capacitor with charge q and potential difference V depends on:
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The capacitance C of a capacitor with charge q and potential difference V depends on:

G1 Physics · Accepted Answer

Step 1: By definition C = q/V. Step 2: For a linear capacitor C is a constant determined by plate geometry and surrounding dielectric. Step 3: Varying q produces proportional V and does not change C.