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The Magnitude of Charge calculator uses the capacitor equation q = CV to solve for charge (q).
INSTRUCTIONS: Choose units and enter the following:
- (C) Capacitance of Capacitor
- (V) Potential Change across Capacitor
Magnitude of Charge (q): The calculator returns the magnitude of the charge in coulombs (C). However this can be automatically converted to compatible units via the pull-down menu.
The Math / Science
The capacitor formula solved for magnitude of charge is:
q = C • V
where
- q - the magnitude of charge on each plate of the capacitor.
- C - the "capacitance" of a capacitor, a quality invented for and described by q=CV.
- V - the magnitude of the change in potential across the capacitor.
For more information about capacitors and capacitance, please see Capacitors and Capacitance.
