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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: - In an AC circuit the potential differences across an inductance and resistance joined
- In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes
- Monochromatic light of frequency 6.0 x 10¹⁴ Hz is produced by a laser. The power emitted
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In an AC circuit the potential differences across an inductance and resistance joined
- In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes
- Monochromatic light of frequency 6.0 x 10¹⁴ Hz is produced by a laser. The power emitted
- A total charge of 5µC is distributed uniformly on the surface of the thin walled
- In the phenomenon of electric discharge through gases at low pressure,
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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