A half metre rod is rotating abou tone fixed end perpendicular to uniform magnetic field `4xx10^(-5)T` with angular velocity 720 rpm. The emf induced

Question

A half metre rod is rotating abou tone fixed end perpendicular to uniform magnetic field `4xx10^(-5)T` with angular velocity 720 rpm. The emf induced

A half metre rod is rotating abou tone fixed end perpendicular to uniform magnetic field `4xx10^(-5)T` with angular velocity 720 rpm. The emf induced across its ends is
A. 0.24 V
B. 0.36 V
C. 0.12 V
D. 0.36 mV

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 - D
`e=BA f`
`=B pir^(2)f`
`=(4xx10^(-5)xx3.14xx0.25xx720)/(60)`

4 views Answered 2023-02-05 15:29