Wire a Carries 4 a into a Junction,wire B Carries

question 40

Multiple Choice

Wire A carries 4 A into a junction,wire B carries 5 A into the same junction,and another wire is connected to the junction.What is the current in this last wire?

• A) 4 A away from the junction
• B) 9 A away from the junction
• C) 4 A into the junction
• D) 9 A into the junction
• E) 1 A away from the junction

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