SATHEE: Moving Charges and Magnetism

Moving Charges and Magnetism - Result Question 20

20. When a proton is accelerated through $1 V$ , then its kinetic energy will be

(a) $1840 e V$

(b) $13.6 e V$

(d) $0.54 e V$

[1999]

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Answer:

Correct Answer: 20. (c)

Solution:

K.E. acquired $= q V$

$= 1.6 \times 10^{- 19} \times 1$

$= 1.6 \times 10^{- 19}$ joules $= 1 e V$

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Moving Charges and Magnetism - Result Question 20

20. When a proton is accelerated through 1V, then its kinetic energy will be

Answer:

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20. When a proton is accelerated through $1 V$ , then its kinetic energy will be