The blank are the specialized tubes in the kidneys in which waste is collected from the blood

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.

Aphase diagram assumes is kept constant.