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What is the Thevenin equivalent voltage across a load resistor in a simple circu

Practice Questions

Q1
What is the Thevenin equivalent voltage across a load resistor in a simple circuit with a 12V source and a 4Ω resistor in series?
  1. 0V
  2. 4V
  3. 12V
  4. 8V

Questions & Step-by-Step Solutions

What is the Thevenin equivalent voltage across a load resistor in a simple circuit with a 12V source and a 4Ω resistor in series?
  • Step 1: Identify the components in the circuit. We have a 12V voltage source and a 4Ω resistor in series.
  • Step 2: Understand that the Thevenin equivalent voltage is the voltage across the load resistor when it is not connected (open-circuit).
  • Step 3: Since the load resistor is not connected, the entire voltage from the source appears across the open terminals.
  • Step 4: The voltage from the source is 12V, so the Thevenin equivalent voltage is 12V.
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