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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
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Suppose for some reasons, radius of earth were to shrink by 1% of present value,
- Element ²³⁴U has 92 protons and 234 nucleons in its nucleus. It decays by
- If the nucleus ²⁷₁₃Al has nuclear radius of about 3.6 fm
- A particle of mass m is projected with a velocity v making an angle of 45°
- The frequency of light ray having the wavelength 3000Å is
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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