25. Electric Potential
Relationships Between Force, Field, Energy, Potential
Multiple Choice
Multiple ChoiceA -2C charge lies at rest. (a) What is the potential difference between point A, which is 1.5m from the charge, and point B, which is 4m from the charge? (b) What would the work on a 4C charge be to move it from A to B?
A
(a) −6.9×109 V; (b) +2.7×1010 J
B
(a) +6.9×109 V; (b) −2.7×1010 J
C
(a) −7.5×109 V; (b) +3.0×1010 J
D
(a) +7.5×109 V; (b) −3.0×1010 J
E
(a) −1.6×1010 V; (b) +6.4×1010 J
F
(a) +1.6×1010 V; (b) −6.4×1010 J
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