The magnetic flux passing perpendicular to the plane of a coil given by `phi=6t^(2)+4t+3` Where `phi` is in milliweber and t is in seconds. What is th

Question

The magnetic flux passing perpendicular to the plane of a coil given by `phi=6t^(2)+4t+3` Where `phi` is in milliweber and t is in seconds. What is th

The magnetic flux passing perpendicular to the plane of a coil given by
`phi=6t^(2)+4t+3`
Where `phi` is in milliweber and t is in seconds.
What is the e.m.f. induced in the coil at t=1 sec?
A. 4 mV
B. 8 mV
C. 12 mV
D. 3 mV

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`phi = 6t^(2) + 4t + 3`
`:. E = (d phi)/(dt) = 12t+4`
at `t =1, e=12+4 = 16 mV`.

5 views Answered 2023-02-05 15:29