The magnetic flux linked with a coil at any instant t is given by ?, find emf

The magnetic flux linked with a coil at any instant t is given by ?= (5t³ – 100t + 300). The e.m.f induced in the coil at t=2 sec is

Options

(a) 40 V
(b) -40 V
(c) 140 V
(d) 300 V

Correct Answer:

40 V

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. If in a L-R series circuit the power factor is 1/2 and R=100Ω, then the value of L is,
  2. The component of vector A=2i+3j along the vector i+j is
  3. To what temperature should the hydrogen at room temperature (27°C) be heated at constant
  4. Source S₁ is producing, 10¹⁵ photons per second of wavelength 5000Å
  5. ₉₂U²³⁴ has 92 protons and 238 nucleons. It decays by emitting an alpha particle