1. The actual direction of the netural current, I2, is the figure below is right

Question

1. The actual direction of the netural current, I2, is the figure below is right to left. If all circuit element values are kept the same except R4 and R5, how can the neutral current division be reversed? Explain your answer.

2.Once the neutral current has been reversed, how could its magnitude be increased/decreased? Keep all circuit element values the same, only R4 and R5 can vary.

3. If R4 = R5 and the rest of the circuit remains unchanged, the current through the neutral wire =? Support you answer.

Explanation / Answer

The actual direction of the neutral current, I2

we can interchange R4,R5

by making R5 decrease or by increase R4 which will result in voltage shift

hence I2 will vary

I2 = 0

ciruit will become symmetric and no current will flow

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