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An electron revolves in a circle at the rate of 10¹⁹ rounds per second. The equivalent current is (e=1.6×10⁻¹⁹C)
Options
(a) 1.0A
(b) 0.2A
(c) 0.1A
(d) 2.0A
Correct Answer:
0.2A
Explanation:
Current I = qf
Given, q = 16 × 10⁻¹⁹ C and f = 10¹⁹
Therefore, I = 1.6 A
Related Questions: - An electron moving in a circular orbit of radius r makes n rotations per second.
- Monochromatic light of frequency 6.0 x 10¹⁴ Hz is produced by a laser. The power emitted
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An electron moving in a circular orbit of radius r makes n rotations per second.
- Monochromatic light of frequency 6.0 x 10¹⁴ Hz is produced by a laser. The power emitted
- When the angle of incidence is 60° on the surface of a glass slab, it is found
- The energy of the em waves is of the order of 15 keV. To which part of the spectrum
- A charged oil drop is suspended in a uniform field at 3×10⁴ V/m so that it neither falls
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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