The magnetic flux through a loop is varying according to relation `phi=6t^(2)+7t+1` where `phi` is in milliweber and t is in second. What is the e.m.f

Question

The magnetic flux through a loop is varying according to relation `phi=6t^(2)+7t+1` where `phi` is in milliweber and t is in second. What is the e.m.f

The magnetic flux through a loop is varying according to relation `phi=6t^(2)+7t+1` where `phi` is in milliweber and t is in second. What is the e.m.f. induced in the loop at t = 2 second ?

Monjur Alahi

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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

Given, `phi=6t^(2)+7t+1`
e.m.f. induced (e ) `=|(d phi)/(dt)|=12t+7.`
When `t=2s, ((d phi)/(dt))_(t=2) =12(2)+7=31 mV.`

4 views Answered 2023-02-05 15:29