Question

Find the expression of force between two parallel current carrying wire.​

Answer 1

Answer:

When I1=I2=1 I 1 = I 2 = 1 ampere and r=1m, r = 1 m , then F=μ02π=4π×10−72πN/m=2×10−7N/m F = μ 0 2 π = 4 π × 10 − 7 2 π N / m = 2 × 10 − 7 N / m This leads to the following definition of ampere.