Dual Nature Of Light Question 377
Question: The potential difference applied to an X-ray tube is 5kV and the current through it is 3.2mA. Then the number of electrons striking the target per second is
Options:
A) $ 2\times 10^{16} $
B) $ 5\times 10^{6} $
C) $ 5\times 10^{6} $
D) $ 4\times 10^{15} $
Show Answer
Answer:
Correct Answer: A
Solution:
[a] $ I=\frac{q}{t}=\frac{ne}{t} $ No. of electrons striking the target per second $ =\frac{I}{e}=2\times 10^{16} $
BETA
