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Magnetic field strength at the centre of regular pentagon made of a conducting wire of...

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Magnetic field strength at the centre of regular pentagon made of a conducting wire of uniform cross section area as shown in figure is 5 i 4 72 2 2 sin B 0 apel C Not zero if current i leaves D point instead of E D Zero even if the current i leaves point D instead of point E a 72 Eyi

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