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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: - All components of the electromagnetic spectrum in vacuum have the same
- Which of the two have same dimensions?
- For a parallel beam of monochromatic light of wavelength λ diffraction is produced
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- A conducting square frame of side ‘a’ and a long straight wire carrying current I
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- All components of the electromagnetic spectrum in vacuum have the same
- Which of the two have same dimensions?
- For a parallel beam of monochromatic light of wavelength λ diffraction is produced
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- A conducting square frame of side ‘a’ and a long straight wire carrying current I
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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