Can someone tell me if I am rite??

3 ⤊

Can someone tell me if I am rite??

1) A 12 V automobile battery is connected to an electric starter motor. The current through the motor is 216 A. How much energy does the battery deliver to the motor each seconds? Answer in units of J.
I got 11.988 but Im not sure if I am correct.

2) If 5.4 x 10^21 electrons pass through a 10 resistor in 8 minutes, what is the potential difference across the, what is the potential difference across the resistor? Answer in units of V.

2007-08-05 16:11:12 · 2 answers · asked by jay b 1 in Science & Mathematics ➔ Physics

2 answers

1) You are not "rite (sic)"
2) You are not even wrong.

2007-08-05 16:48:42 · answer #1 · answered by Dr. R 7 · 2⤊ 1⤋

1. 12v * 216A = 2,592w = 2,592J/s

2007-08-05 16:58:43 · answer #2 · answered by eyal b 4 · 1⤊ 0⤋