A coil having an area of `2m^(2)` is placed in a magnetic field which changes from `2 Wb//m^(2)` to `5Wb//m^(2)` in 3 seconds. The e.m.f. Induced in t

Question

A coil having an area of `2m^(2)` is placed in a magnetic field which changes from `2 Wb//m^(2)` to `5Wb//m^(2)` in 3 seconds. The e.m.f. Induced in t

A coil having an area of `2m^(2)` is placed in a magnetic field which changes from `2 Wb//m^(2)` to `5Wb//m^(2)` in 3 seconds. The e.m.f. Induced in the coil is
A. 4V
B. 3V
C. 2V
D. 1V

Monjur Alahi

4 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 - C
`e = -(d phi)/(dt) = =(A[B_(2)-B_(1)])/(t) = 2 xx 3/3 = 2V`.

4 views Answered 2023-02-05 15:29