Pradeep Asked a Question
August 5, 2021 1:22 ampts 30 pts
17. A long insulated copper wire is closely wound as a spiral of'N' turns. The spiral has inner radius 'a' and outer radius 'b'. The spiral lics in the X-Y planc and a stendy current 1' flows through the wire. The Z-component of the magnetic ficld at the centerofthe spiral is HoNI (a) 2(b-a)"a (6) 2(b-ab-a HoNI (b+a (2 ) n alinderofdiameter 2a asshown in the figure, Both the cylinder
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  • Dr suman thankyou
    correct option is a.
    • cropped4359720390381108671.jpg
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