PH-307
Power transmission
Physics · Secondary 3 · Hard · Power transmission
At a power station, an ideal step-up transformer raises the voltage from 11 kV to 220 kV before transmission. The current in the primary coil is 100 A.
Assuming no energy loss in the transformer, what is the current in the transmission line?
Assuming no energy loss in the transformer, what is the current in the transmission line?
- 0.5 A
- 5 A
- 50 A
- 500 A
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