1 )
B = 0 i / 2 d
i = i2 - i1
i = 7.8 - 3.6
i = 4.2 A
By(P) = 4 X 3.14 X 10-7 X 4.2 / 2 X 3.14 X 0.21
By(P) = 4 X 10-6 T
2 )
B .d L = B X 3.14 X 0.21 / 4
B .d L = 4 X 10-6 X 3.14 X 0.21 / 4
B .d L = 6.59 X 10-7 T . m
3 )
i2,enc = i2 ( 3.14 ( r2 - a2 ) / 3.14 ( b2 - a2 ) )
i2,enc = 7.8 X ( ( 4.62 - 42 ) / ( 6.72 - 42 ))
i2,enc = 1.39
ienc = i1 + i2,enc
ienc = -3.6 + 1.39
ienc = -2.21 A
By(T) = - 4 X 3.14 X 10-7 X ( -2.21) / 2 X 3.14 X 0.046 )
By(T) = 9.6 X 10-6 T
4 )
B .d L = - 6.59 X 10-7 T . m
( same way limits are changed )
5 )
B ( 2 cm , 0 ) remains the same
A solid cylindrical conducting shell of inner radius a -4 cm and outer radius b 6.7...
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