A vertical metal rod of length 1 m moves at right angles to its length with a speed of 45 km/h in a direction making an angle of `60^(@)` with `B_(H)`

Question

A vertical metal rod of length 1 m moves at right angles to its length with a speed of 45 km/h in a direction making an angle of `60^(@)` with `B_(H)`

A vertical metal rod of length 1 m moves at right angles to its length with a speed of 45 km/h in a direction making an angle of `60^(@)` with `B_(H)`. The emf induced in it is. `(B_(H)=3.6xx10^(-5)T)`
A. 0.93 mV
B. 0.74 mV
C. 0.50 mV
D. 0.39 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=B_(H)lvsintheta`
`=(3.6xx10^(-5)xx1xx45xx10^(3)xxsin60)/(3600)`
`=0.39mV`

4 views Answered 2023-02-05 15:29