Four wires meet at a junction.The first carries 4 A into the junction, the second carries 5 A out of the junction, and the third carries 2 A out of the junction.The fourth carries:
A)7 A out of the junction
B)7 A into the junction
C)3 A out of the junction
D)3 A into the junction
E)1 A into the junction

Question

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The Answer of Four wires meet at a junction.The first carries 4 A into the junction, the second carries 5 A out of the junction, and the third carries 2 A out of the junction.The fourth carries:
A)7 A out of the junction
B)7 A into the junction
C)3 A out of the junction
D)3 A into the junction
E)1 A into the junction

Four Wires Meet at a Junction