What is the voltage across the current source in the following figure assuming ideal sources?

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  1. 0 V
  2. 8 V
  3. 14 V
  4. 20 V

Answer (Detailed Solution Below)

Option 3 : 14 V
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Detailed Solution

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We have redrawn the circuit by taking the potential as Vs across the current source & Vacross the 12 Ω resistance.

Applying KCL at node A

The net current flowing into the A terminal will equal the net current flowing out of the terminal.

2 = 1 + 

⇒VA = 12 V

We know that the current flowing across the 1Ω resistance is 2 A.

⇒ Vs =  14 V

Thus the voltage across the current source is 14 V

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