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According to Kirchhoff's Current Law, if three currents enter a junction as 2A,

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Question: According to Kirchhoff\'s Current Law, if three currents enter a junction as 2A, 3A, and 4A, what is the current leaving the junction?

Options:

  1. 1A
  2. 3A
  3. 5A
  4. 9A

Correct Answer: 9A

Solution: 

According to Kirchhoff\'s Current Law, the sum of currents entering a junction equals the sum of currents leaving. Therefore, I_out = 2A + 3A + 4A = 9A.

According to Kirchhoff's Current Law, if three currents enter a junction as 2A,

Practice Questions

Q1
According to Kirchhoff's Current Law, if three currents enter a junction as 2A, 3A, and 4A, what is the current leaving the junction?
  1. 1A
  2. 3A
  3. 5A
  4. 9A

Questions & Step-by-Step Solutions

According to Kirchhoff's Current Law, if three currents enter a junction as 2A, 3A, and 4A, what is the current leaving the junction?
Correct Answer: 9A
  • Step 1: Identify the currents entering the junction. In this case, they are 2A, 3A, and 4A.
  • Step 2: Add the currents that are entering the junction together. So, calculate 2A + 3A + 4A.
  • Step 3: Perform the addition: 2A + 3A = 5A, then 5A + 4A = 9A.
  • Step 4: According to Kirchhoff's Current Law, the total current entering the junction (9A) must equal the total current leaving the junction.
  • Step 5: Therefore, the current leaving the junction is 9A.
  • Kirchhoff's Current Law – The principle that the total current entering a junction must equal the total current leaving the junction.
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