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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
- The slope of the graph showing the variation of potential difference V on X-axis
- A solid sphere, a hollow sphere and a ring are released from top of an inclined
- When two displacements represented by y₁=a sin(?t) are superimposed the motion is
- To what temperature should the hydrogen at room temperature (27°C) be heated at constant
- The resistance of a carbon resistor of colour code Red-Red Green Silver is(in kΩ)
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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