A metallic rod of length L is rotated wi...

A metallic rod of length `L` is rotated with an angular speed of'`omega`'normal to a uniform magnetic field'`B` about an axis passing through one end of rod as shown in figure.The induced emf will be

`(1)/(2)B^(2)L^(2)C

(1)/(4)B^(2)L^(2)(O)

`(1)/(4)B^(2)L^(2)(O)

(1)/(2)BL^(2)(O)

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