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A 1 µA beam of protons with a cross-sectional area of 0.5 sq.mm is moving with a velocity of 3 x 10⁴ m/s. The charge density of beam is
Options
(a) 6.6 x 10⁻⁴ m⁻³
(b) 6.6 x 10⁻⁶ m⁻³
(c) 6.6 x 10⁻⁵ m⁻³
(d) none of these
Correct Answer:
6.6 x 10⁻⁵ m⁻³
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Light of wavelength 500 nm is incident on a metal with work function 2.28 eV.
- In a primary coil 5 A current is flowing on 220 V. In the secondary coil 2200 V
- The earth radiates in the infrared region of the spectrum. The spectrum is correctly
- A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
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Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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