(case :1 ) there are two wires in which current is flowing in opp directions (case :2) there are two wires in which current is moiving in opp direction and has a metalliuc plate between them . which case has more magnetic feild ?
(case :1 ) there are two wires in which current is flowing in opp directions
(case :2) there are two wires in which current is moiving in opp direction and has a metalliuc plate between them .
which case has more magnetic feild ?