89 Agiven length of a wire carries a steady current It is

Last updated: 6/19/2023

89 Agiven length of a wire carries a steady current It is bent first to form a circular plane coil of one turn If a loop of same length is now bent more sharply to give a double loop of smaller radius the magnetic field at the centre caused by the same current is a a quarter of its first value b unaltered c four times of its first value d two times of its first value Miscellaned 96 Magnetic eff a Faraday fc Ampere 97 One tesla i a 10 gaus c 10 gau