The current strength in the trolleybus engine reaches 220 A at a voltage of 550 V.

The current strength in the trolleybus engine reaches 220 A at a voltage of 550 V. What energy does the trolleybus consume per shift (12 hours)?

I = 220 A.
U = 550 V.
t = 12 h = 43200 s.
W -?
The amount of consumed energy W is expressed by the Joule-Lenz law: W = I * U * t, where I is the current in the circuit, U is the current voltage, t is the engine running time.
W = 220 A * 550 V * 43200 s = 5227200000 J.
Answer: for a change, the trolleybus consumes W = 5227200000 J.



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