A coil having an area `A_(0)` is placed in a magnetic field which changes from `B_(0)` to `4B_(0)` in time interval t. The emf induced in the coil wil

Question

A coil having an area `A_(0)` is placed in a magnetic field which changes from `B_(0)` to `4B_(0)` in time interval t. The emf induced in the coil wil

A coil having an area `A_(0)` is placed in a magnetic field which changes from `B_(0)` to `4B_(0)` in time interval t. The emf induced in the coil will be
A. `3A_(0)B_(0)//t`
B. `4A_(0)B_(0)//t`
C. `3B_(0)//A_(0)t`
D. `4B_(0)//A_(0)t`

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 - A
As, `|e|=(Deltaphi)/(Deltat)=(4B_(0)A_(0)-B_(0)A_(0))/(t)=(3B_(0)A_(0))/(t)`

5 views Answered 2023-02-05 15:29