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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: - According to Bohr model of hydrogen atom, only those orbits are permissible
- The sum of the magnitudes of two forces acting at a point is 16 N
- An electron moving in a uniform magnetic field of induction of intensity B,
- In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes
- A fringe width of a certain interference pattern is β=0.002 cm. What is the distance
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- According to Bohr model of hydrogen atom, only those orbits are permissible
- The sum of the magnitudes of two forces acting at a point is 16 N
- An electron moving in a uniform magnetic field of induction of intensity B,
- In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes
- A fringe width of a certain interference pattern is β=0.002 cm. What is the distance
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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