A metal rod of length 1m is rotated about one of its ends in a place at right angle to a uniform magnetic field of induction `5xx10^(-3)` T. if it mak

A metal rod of length 1m is rotated about one of its ends in a place at right angle to a uniform magnetic field of induction `5xx10^(-3)` T. if it makes 1800 rotations per minute, then the emf iniduced between its ends is
A. 0.471 V
B. 4.71 V
C. 4.17 V
D. 1.47 V

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - A
`e=BA f=Bpir^(2)f=Bpil^(2)f`
`=5xx10^(-3)xx3.14xx1xx30=0.471V`

4 views Answered 2023-02-05 15:29

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