Multiple Choice
An electron in a cathode ray tube is accelerated through a potential difference of 7.0 kV.What kinetic energy does the electron gain in the process? (e = 1.6 × 10−19 C)
A) 7.84 × 10−16 J
B) 11.2 × 10−16 J
C) 7.84 × 10−22 J
D) 12.2 × 1022 J
E) 11.2 × 10−22 J
Correct Answer:
Verified
Correct Answer:
Verified
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