| ⇦ | 
| ⇨ |
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: - The voltage of an a.c.supply varies with time (t) as V=120 sin 100 πt the maximum voltage
- Two discs of moment of inertia l₁ and I₂ and angular speeds
- A transformer is used to light a 100 W and 110 V lamp from a 220 V mains.
- An LED is constructed from a p-n junction based on a certain semi-conducting
- The difference in the lengths of a mean solar day and a sidereal day is about
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The voltage of an a.c.supply varies with time (t) as V=120 sin 100 πt the maximum voltage
- Two discs of moment of inertia l₁ and I₂ and angular speeds
- A transformer is used to light a 100 W and 110 V lamp from a 220 V mains.
- An LED is constructed from a p-n junction based on a certain semi-conducting
- The difference in the lengths of a mean solar day and a sidereal day is about
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply