Willing to upvote anyone that me
okay i am supposed to write a paragraph on martin luther kings "i had a dream" speech and i am absolutely confused what to write any tips?

what are you

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).