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A solenoid has 1000 turns per meter leng...

A solenoid has 1000 turns per meter length. If a current of 5A is flowing through it. then magnetic field inside the solenoid is (a) 2π X 10^-3 T (b) 2π X10^-5 T (c) 4π X 10^-3 T (d) 4π X 10^-5T

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