The atlantic torpedo is a large electric fish capable of generating a voltage of 220V between its tail and its head. This drives a pulse of current of 15A lasting for a time of 2.0ms. The fish produces 200 pulses per second. What is the average power output of the fish? a. 33W b. 1.3KW c. 3.3KW d. 6.6KW

Question

Felicity Castaneda

Physics

7 April, 13:44

The atlantic torpedo is a large electric fish capable of generating a voltage of 220V between its tail and its head. This drives a pulse of current of 15A lasting for a time of 2.0ms. The fish produces 200 pulses per second. What is the average power output of the fish? a. 33W b. 1.3KW c. 3.3KW d. 6.6KW

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Answers (1)

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Patrick Howard · Answer 1

The average power output:

P = V * I * t

V = 220 V, I = 15 A;

t = 2 ms * 200 = 400 ms = 0.4 s

P = 220 V * 15 A * 0.4 s

P = 1320 W ≈ 1.3 kW

Answer:

b. 1.3 kW