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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 body is moving in a vertical circle. The string must remain taut at the highest point
- A Galilean telescope has an objective of focal length 100 cm and magnifying power 50
- Cathode rays are produced when the pressure is of the order of
- A parallel plate condenser has a uniform electric field E(V/m) in the space between
- Three cells, each of e.m.f 1.5 V and internal resistance 1 ohm are connected in parallel
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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