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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
- Two bodies A and B have masses 20 Kg and 5 Kg respectively. Each one is acted
- In stretching a spring by 2 cm, energy stored is given by U. Had is been stretched
- What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
- The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is
- What determines the nature of the path followed by the particle?
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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