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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: - There is a ring of radius r having linear charge densityλ and rotating with a uniform
- A sample of radioactive element has a mass of 10 gram at an instant t=0.
- When the energy of the incident radiation is increased by 20%,
- Characteristic X-rays are produced due to
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- There is a ring of radius r having linear charge densityλ and rotating with a uniform
- A sample of radioactive element has a mass of 10 gram at an instant t=0.
- When the energy of the incident radiation is increased by 20%,
- Characteristic X-rays are produced due to
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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