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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
- Power dissipated in an LCR series circuit connected to an a.c source of emf ? is
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- A point source emits sound equally in all directions in a non-absorbing medium.
- The magnetic susceptibility of a material of a rod is 449. Permeability of vaccum
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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