motional emf

my ans is not matching..

2 Answers

can u pls type out the question??...the image is a bit unclear

or atlesat clearly mention the breaking strength and time

262

Aditya Bhutra ·2012-03-06 04:55:53

use conservation of energy and F=ilB then diff. with respect to distance

acceleration of rod will be ,a=mgm+B²l²C

then E=Bvl and V=E*d

ans is K=1

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