A particular wire has a circular cross-section. for the first 1/2 meter of its one meter length its radius is 4 mm while or the second half it is 2 mm. 14 Coulombs of charge pass a point in the 4 mm section in 30 seconds. The current in the 2 mm section is
Download Full Solution
If you are here for the first time, you can request for a discount coupon, which can knock off upto 20% of the quoted price on any service.