A 1$\mu$ $A$ beam of protons with a cross-sectional area of $0.5$ sq. mm is moving with a velocity of $3 \times {10^4}m{s^{ - 1}}$. Then charge density of beam is
A 1$\mu$ $A$ beam of protons with a cross-sectional area of $0.5$ sq. mm is moving with a velocity of $3 \times {10^4}m{s^{ - 1}}$. Then charge density of beam is
- A
$6.6 \times {10^{ - 4}}C/{m^3}$
- B
$6.6 \times {10^{ - 5}}C/{m^3}$
- C
$6.6 \times {10^{ - 6}}C/{m^3}$
- D
None of these
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- [NEET 2023]