Physics, asked by prerna6648, 1 year ago

The flux linked with a coil at any instant 't' is given
phi = 10t² -50t + 250 . The induced emf at t = 3s is
(a) –190 V (b) –10 V
(c) 10 V (d) 190 V

Answers

Answered by anupamdwivedi1971

0

Answer:

(b) -10V

Explanation:

emf=-d¢/dt

after differentiation put value of t=3

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