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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 point charge is kept at the centre of a metallic insulated spherical shell. Then
- The displacement of an object attached to a spring and executing simple harmonic
- If the temperature of the sun were to increase from T to 2T and its radius from R and 2R
- A liquid wets a solid completely. The meniscus of the liquid in a sufficiently long
- A source is moving towards an observer with a speed of 20 m/s and having frequency
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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