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. The number of possible natural oscilations of air column in a pipe closed
  2. An electron in hydrogen atom makes a transition n₁ → n₂
  3. A radiation of energy ‘E’ falls normally on a perfectly reflecting surface
  4. A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
  5. A galvanometer has a resistance 50Ω. A resistance of 5Ω is connected parallel to it.