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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
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle moving along X-axis has acceleration f,at time t given by f=fₒ(1- t/T)
- A freely suspended bar magnet aligns itself in
- The ionisation energy of an electron in the ground state of helium atom is 24.6 eV.
- For a normal eye, the cornea of eye provides a converging power 40 D and the least
- A solid sphere, a hollow sphere and a ring are released from top of an inclined
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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