Teaching OSSTET Mock Test 2023 Physics Moving Charges and Magnetism Force Between Two Parallel Currents
Two long straight parallel conductors of length 'L', separated by a distance 'd' and each carrying a current 'I' attract each other with a force equal to
___________.
1
μoIL/(2 πd)
2
μoI2L/(πd)
3
μoIL/(πd)
4
μoI2L/(2πd)