Magnetic field due to currentHard
Question
An infinitely long straight wire bent as shown in figure. The circular portion has a radius of 10 cm with its center O at a distance r from the straight part. The value of r such that the magnetic field at the center O of the circular portion is zero will be : -
Options
A.
cm
cmB.
cm
cmC.
cm
cmD.
cm
cm
cmMore Magnetic field due to current Questions
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