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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
- The total energy of a simple harmonic oscillator is proportional to
- A small rod of bismuth is suspended freely between the poles of a strong electromagnet.
- The polarising angle of glass is 57⁰. A ray of light which is incident at this angle
- Thomson coefficient of a conductor is 10 µV/K. Its two ends are kept
- In a franhofer diffraction experiment at a single slit using a light of wavelength
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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