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In the figure shown find the resultant m...

In the figure shown find the resultant magnetic force and torque about ‘C’, and ‘P’.

Text Solution

Verified by Experts

`vecF_("nett")=I.2R.B`
`because` wire is equivalent to

Force on each element is radially outward : `tau_(c)=0` about point P
`P=int_(0)^(pi)[i//(Rd theta)Bsin90^(@)]Rsintheta=2IBR^(2)`
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