A proton (+1.6 *10 - 19 C) moves 10 cm along the direction of an electric field of strength 4.0 N/C. The electrical potential difference between the proton's initial and ending points is:
A) 4.8 *10 - 19 V.
B) 0.40 V.
C) 0.044 V.
D) 6.4 *10 - 19 V.
Correct Answer:
Verified
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