The Two Wires in a DC Adapter Cable Are 5 $\times$

question 68

Multiple Choice

The two wires in a DC adapter cable are 5 mm apart and carry a current of 4 A.If the cable is 1.5 m long,calculate the force between the wires and state if this force is attractive or not.

• A)9.6 \(\times\) 10^-4 N,attractive
• B)9.6 \(\times\) 10^-7 N,attractive
• C)1.1 \(\times\) 10^-8 N,attractive
• D)9.6 \(\times\) 10^-4 N,repulsive
• E)1.1 \(\times\) 10^-8 N,repulsive