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. A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field
  2. A body A experiences perfectly elastic collision with a stationary body B
  3. The kinetic energy needed to project a body of mass m from the surface of earth
  4. Two lines of force due to a bar magnet
  5. The order of radius of the nucleus of an atom is