1.

A unifrom magneticfiled is restricated with in a region if radiusr. The magneticfieldchange with time at a rate (dB)/(dt).Loop 1 of radiusRgt r encloses the regionr andloop 2 of radius R is outside the region ogf magnetic feield as show in the figure. Then , the emf generated is

Answer»

ZERO in loop 1 and Zero in loop 2
`-(dB)/(dt)pir^(2)` in LOOP1 and`-(db)/(dt) pir^(2)`
`-(db)/(dt) piR^(2)` in loop 1 zeroin loop 2
`-(db)/(dt) pir^(2)` inloop 1 and zeroin loop 2

Solution :NEET 2016


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