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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
- Tangent galvanometer is used to measure
- Diameter of the objective of a telescope is 200 cm. What is the resolving power
- A car is moving in a circular horizontal track of radius 10.0 m with a constant speed
- The rest mass of a body is m1. It moves with a velocity of 0.6c, then its relativistic
- The product of pressure and volume hve thesame units as the product of
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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