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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
- A bar magnet of moment of inertia I is vibrated in a magnetic field of induction
- Two radiations of photons energies 1 eV and 2.5 eV, successively
- which of the following can not be emitted by radioactive substances during their decay?
- A machine gun fires 10 bullets/s,each of mass 10 g,the speed of each bullet
- A parallel plate capacitor as a uniform electric field E in the space between the plates
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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