31. Three long, straight, parallel wires all lie in the yz plane and each carries a current of 20 A in the positive z direction.
The two outer wires are each 4.0 cm from the center wire. What is the magnitude of the magnetic force on a 50-cm length of either of the outer wires
1 answer:
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If we assume 100% efficiency, this means that the input power of the transformer must be equal to the output power
We divide output/input
240,000/12,000 = 20
This means that the transformer has a turns ratio of 1:20
<span>ns/np = 20/1 = 20
The voltage is amplified 20 times by the transformer, but this also means that the current decreases by a factor of 20, so the total power remains the same.</span>
If we assume 100% efficiency, this means that the input power of the transformer must be equal to the output power
We divide output/input
240,000/12,000 = 20
This means that the transformer has a turns ratio of 1:20
<span>ns/np = 20/1 = 20
The voltage is amplified 20 times by the transformer, but this also means that the current decreases by a factor of 20, so the total power remains the same.</span>