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there is a circular coil of N turns & radius "a",connected to the battery of emf 'E' through a rheostat. the rheostat has total length "L" and resistance"R". the resistance of coil is "r" . a small circular loop of radius --a'-- and resistance --r'-- is placed coaxially with the coil .the centre of loop is at a distance "x" from the centre of coil . in the beginning the sliding contact of rheostat is at left end and then onwards it is moved towards right at a constant speed "u" find emf induced in SMALL circular loop at the instant (A)the contact begin to slide (B)it has slid through half the length of the rheostat. for diagram refer to HCV page 307 ,,,QUES NO. 20


 
there is a circular coil of N turns & radius "a",connected to the battery of emf 'E' through a  rheostat. the rheostat has total length "L" and resistance"R". the resistance of coil is "r" . a small circular loop of radius --a'-- and resistance --r'--
is placed coaxially with the coil .the centre of loop is at a distance "x" from the centre of coil .
             in the beginning the sliding contact of rheostat is at left  end and then onwards it is moved towards right at a constant speed "u"
 
find emf induced in SMALL circular loop at the instant (A)the contact begin to slide
(B)it has slid through half the length of the rheostat.
 
for diagram refer to HCV page 307 ,,,QUES NO. 20


Grade:10

1 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
9 months ago
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