Questions
A long wire is bent into shape ABCDE as shown in fig. with BCD being a semicircle with centre O and
radius r metre. A current of I amp flows through it in the direction A → B →C → D→ E. Then the magnetic induction at the point O of the figure in vacuum is
detailed solution
Correct option is A
B=μ04πir+πir+ir=μ04π2ir+πlr=μ0i2πr+i4rTalk to our academic expert!
Similar Questions
Four long insulated current carrying wires, cross each other as shown in the figure. If the separation between any pair of parallel wires is d, the magnetic induction at O is
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