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

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Question: What is the Thevenin equivalent voltage across a load resistor in a simple circuit with a 12V source and a 4Ω resistor in series?

Options:

Correct Answer: 12V

Solution:

The Thevenin equivalent voltage is the open-circuit voltage, which is the source voltage, 12V.

What is the Thevenin equivalent voltage across a load resistor in a simple circuit with a 12V source and a 4Ω resistor in series?

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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