Secondary School Write a message to your father to ask for his permission to join coastal cleanup day event

Dear Father

Explanation:

There is a coastal cleanup event at school so I would like your permission to join please

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).