Question

1. When running on its 11.4 V battery, a laptop computer uses 8.3 W. The computer can run on battery power for 5.0 h before the battery is depleted. A) What is the current delivered by the battery to the computer? B)How much energy, in joules, is this battery capable of supplying? C)How high off the ground could a 75 kg person be raised using the energy from this battery?

2. An electric eel develops a potential difference of 480 V , driving a current of 0.70 A for a 1.0 ms pulse. A) Find the power of this pulse. B)Find the total energy of this pulse. C) Find the total charge that flows during the pulse.

Answer 1