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The magnetic field due to a straight conductor of uniform cross-section of radius a and carrying a steady current is represented by
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The magnetic field due to a straight conductor of uniform cross-section of radius o carrying a steady current i is represented byB=μ0i2πa2r for 0Talk to our academic expert!
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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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