Giant electric eels can deliver a voltage shock of 5.00 times 10^2 V and up to 1

Question

Giant electric eels can deliver a voltage shock of 5.00 times 10^2 V and up to 1.00A of current for a brief time. What is the maximum power a giant electric eel can deliver to its prey during this time? The body of a snorkeler swimming in salt water has a resistance of about 575 Ohm. If the snorkeler is unfortunate enough to be struck by the eel, what current will flow through her body? A current of about 500 mA can cause heart fibrillation and death, if it lasts too long. Is the current through the swimmer in this case large enough to be dangerous? What power does the snorkeler receive from the eel?

Explanation / Answer

a) P = V * I = 5.00 * 102 * 1

= 500 W

b) I = V / R = 500 / 575 = 0.870 A

= 870 mA

c) Yes, it is dangerous

d) P = V I = 500 * 0.870

= 435 W

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