so here is the question that is being asked. Assume that there is Car A and B, and one of the cars has a dead battery. So when you connect the two cars together, there is current flowing towards the direction of Car A. Which car has the dead battery.
If you ask me, since there is current flowing INTO Car A, doesn't mean that Car A is the dead battery? else, why would there be stuff going to car A right? Just want to make sure; am I right?
and then, they ask me if the 2 cars stay connected to each other for 1 whole mintue, how much energy is transferred to the dead battery. They tell me that the current is 30A, and the car batteries are 12 volts.
When they say "energy," do they mean "power?" I know that P=vi. so do I just multiply 12*30 to get 360watts? So is that 360 watts per second? how do I know??
If you ask me, since there is current flowing INTO Car A, doesn't mean that Car A is the dead battery? else, why would there be stuff going to car A right? Just want to make sure; am I right?
and then, they ask me if the 2 cars stay connected to each other for 1 whole mintue, how much energy is transferred to the dead battery. They tell me that the current is 30A, and the car batteries are 12 volts.
When they say "energy," do they mean "power?" I know that P=vi. so do I just multiply 12*30 to get 360watts? So is that 360 watts per second? how do I know??
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