Question Detail

PHY 102 Test Compilation PHY 102 25 Objective Question
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Question

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

Option A is the correct answer.

Detailed Explanation

KCL: in=out. In: 4A. Out: 7A. Shortfall of 3A must come in via the fourth wire.

Hint

KCL: in=out.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 25
Type: Objective
Difficulty: Not specified
Question 1454 of 1819
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