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1.if a stationary loop is removed from a time-varying magnetic field region, will there be any electric field associated with it? 2.will there be an induced e.m.f. across a rod if it is placed in a time-varying magnetic field region?if so, why? 3.i have heard that in some instances, it is seen that a magnetic force is found to do work.can you please provide some examples(in the form of problems)?

1.if a stationary loop is removed from a time-varying magnetic field region, will there be any electric field associated with it?


2.will there be an induced e.m.f. across a rod if it is placed in a time-varying magnetic field region?if so, why?


3.i have heard that in some instances, it is seen that a magnetic force is found to do work.can you please provide some examples(in the form of problems)?

Grade:12

1 Answers

Aishwarya Muralidharan
34 Points
8 years ago

no as far as there is no electricity in the  conductor.........

yes there wud be an induced emf generted coz a tyym-varying magnetic field produces magnetic flux that generates emf in the rod.....

in class 12 physics ncert txtbooks, u wud surely find problems associated with it... for eg, if a magnet is kept stationary and anothe r magnet with the same polarity is brought near it,the stationary magnet produces a magnetis force that is, of replsion, which pushes the second magnet outward....this shows that magnetic force can do work, here moving a magnet...{same is the case for attraction of magnetis objects by a magnet...}

Hope u found this useful.........

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