Navigate

An electron revolves in a circle at the rate of 10¹⁹ rounds per second.

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

JK2013
admin:

Related Questions

  1. When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus
  2. A wire of a certain material is stretched slowly by ten percent. Its new resistance
  3. The earth is assumed to be a sphere of radius R. A platform is arranged at a height R
  4. Sound production from tape recorder makes use of
  5. A bar magnet of moment of inertia I is vibrated in a magnetic field of induction