1.

A metallic square loop PQRS is moving in its own plane with velocity v in a uniform magnetic field perpendicular to its plane as shown in Fig. If V_(P), V_(Q), V_(R) and V_(S) are the potentials of points P, Q, R and S then which of the following is an incorrect statement?

Answer»

`V_(P)=V_(Q)`
`V_(P)gtV_(S)`
`V_(P)gtV_(R)`
`V_(S)=V_(R)`

Solution :SINCE entire LOOP is in magnetic field so no NET emf will be induced in the loop, hence no current will flow in the loop.
so, `V_(P)=V_(Q), V_(S)=V_(R), V_(P)gtV_(S), V_(P)`
`gtV_(R), V_(Q)gtV_(R`).


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