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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
Related Questions: - The energy of a hydrogen atom in the ground state is – 13.6 eV. The energy of a He⁺ ion
- A particle moving in a straight line with uniform acceleration is observed
- In the phenomenon of electric discharge through gases at low pressure,
- A body is under stress F and has Young’s modulus Y, then the energy
- A wire in the form of a circular loop of one turn, carrying a current, produces
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The energy of a hydrogen atom in the ground state is – 13.6 eV. The energy of a He⁺ ion
- A particle moving in a straight line with uniform acceleration is observed
- In the phenomenon of electric discharge through gases at low pressure,
- A body is under stress F and has Young’s modulus Y, then the energy
- A wire in the form of a circular loop of one turn, carrying a current, produces
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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