cse • paper_1 • electrodynamicscse-1990-subject-03-004
Biot–Savart law — UPSC CSE 1990 Physics PYQ
Buy PYQ Solution Manual →Starting from Biot-Savart law, calculate the magnetic field at the centre of a solenoid of length 1 meter, radius 2 cm and having 25 turns per centimeter, the current through the solenoid being 1 ampere.
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