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The electric field 2.5 cm from an unknown charge has a strength of 428 N/C and points toward the charge.
(a) What then is the electric potential at that distance, assuming there are no other point charges in the region?
Vp = 1.2
V
(b) The electric field strength at a different point near another charge is 315 N/C.
How far is this point from the charge if the electric potential there is -33 V?
d = 10.5
cm

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