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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 uniform rod of length l is placed with one end in contact with the horizontal
- A charged particle of mass m and charge q moves along a circular path of radius
- An open knife edge of mass 200g is dropped from height 5m on a cardboard
- A satellite in a circular orbit of radius R has a period of 4 hours. Another satellite
- A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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