Question

The net charge in a current carrying wire is zero still magnetic field exerts a force on it, because a magnetic field exerts force on

• A. Stationary charge
• B. Moving charge
• C. A positive charge only
• D. A negative charge only

Answer 1

Answer: (B)

$F=q(\vec{V}\times \vec{B})$
Moving charge are only electrons and magnetic field exert force on moving charges only.