A coil having an area of `3m^(2)` is placed in a magnetic field which changes from a `9 Wb//m^(2)` to `5Wb//m^(2)` in three seconds. The e.m.f. Induce

Question

A coil having an area of `3m^(2)` is placed in a magnetic field which changes from a `9 Wb//m^(2)` to `5Wb//m^(2)` in three seconds. The e.m.f. Induce

A coil having an area of `3m^(2)` is placed in a magnetic field which changes from a `9 Wb//m^(2)` to `5Wb//m^(2)` in three seconds. The e.m.f. Induced in the coil is
A. 3V
B. 4V
C. 5V
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 - B
`e = A((B_(2)-B_(1))/(t)) = (3 xx 4)/3 = 4 V`.

4 views Answered 2023-02-05 15:29