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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 fossil bone has a ¹⁴C:¹²C ratio, which is [1/16] of that in a living animal
- The electric and magnetic field assiciated with an E.M. wave
- A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz.
- The bandgap in Germanium and silicon, in eV, are respectively
- If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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