0 A wire of resistance 4 Q2 is used to wind a coil of radius

Last updated: 6/9/2023

0 A wire of resistance 4 Q2 is used to wind a coil of radius 7 cm The wire has a diameter of 1 4 mm and the specific resistance of its material is 2 x 10 72 m The number of turns in the coil is a 50 b 40 c 60 d 70