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 device which converts electrical energy into mechanical energy is
  2. A bar magnet having a magnetic moment of 2 x 10⁴JT⁻¹ is free to rotate in a horizontal
  3. The oscillating frequency of a cyclotron is 10 MHz. If the radius of its Dees is o.5 m,
  4. Two bodies of mass 1 kg and 3 kg have positive vectors i + 2j + k and -3i -2j + k
  5. A particle has initial velocity (2i⃗+3j⃗) and acceleration (0.3i⃗+0.2j⃗). The magnitude