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

Physics

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7 September, 23:24

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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Valery Mendez · 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