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Physics 16 Online
OpenStudy (anonymous):

A straight infinite current-carrying wire is bent into the form shown in the figure above. I = 15A. The curve is a semicircle of radius a = 100cm. What is the field at the point P? Anyone help :S?

OpenStudy (anonymous):

OpenStudy (anonymous):

someone please help :/

OpenStudy (anonymous):

What is the formula for magnetic field at the centre of current carrying coil?

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