1 Magnetic Effects of Current and Magnetism
A current of 50 A is passed through a straight wire of length 6 cm,then the magnetic induction at a point 5 cm from the either end of the wire is (1 gauss =10−4 T) 1) 2.5 gauss 2) 1.25 gauss 3) 1.2 gauss 4) 3.0 gauss
The magnetic field due to the finite current carrying wire is:
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