a heart defibrillator is used to enable the heart to start beating if it has stopped. this is done by passing a large current of 12 a through the body at 25 v for a very short time, usually about 3.0 ms. for related problemsolving tips and strategies, you may want to view a video tutor solution of power in a short circuit. part a what power does the defibrillator deliver to the body?