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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: - A galvanometer acting as a voltmeter will have
- A 36 Ω galvanometer is shunted by resistance of 4 Ω. The percentage of the total current
- A galvanometer having resistance of 50 Ω requires a current of 100μA to give full
- If Q, E and W denote respectively the heat added, change in internal energy
- A condenser of 250 μF is connected in parallel to a coil of inductance of 0.16 mH
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A galvanometer acting as a voltmeter will have
- A 36 Ω galvanometer is shunted by resistance of 4 Ω. The percentage of the total current
- A galvanometer having resistance of 50 Ω requires a current of 100μA to give full
- If Q, E and W denote respectively the heat added, change in internal energy
- A condenser of 250 μF is connected in parallel to a coil of inductance of 0.16 mH
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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