- #1
sefsybabe
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Homework Statement
a capacitor of capacitance 10μF is fully charged to form a 20v d.c supply
1) calculate the charge stored by the capacitor
2) calculate the energy delivered by the 20v supply
Homework Equations
1/2 cv2
The Attempt at a Solution
1) q =cv
Q= 2x10-4
i don't know how to solve the second one pls