What is the total power consumed in a circuit with two 10Ω resistors in series c

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Question: What is the total power consumed in a circuit with two 10Ω resistors in series connected to a 20V source? (2020)

Options:

Correct Answer: 40W

Solution:

Total resistance R = 10Ω + 10Ω = 20Ω. Power P = V²/R = 20² / 20 = 20W.

What is the total power consumed in a circuit with two 10Ω resistors in series connected to a 20V source? (2020)

What is the total power consumed in a circuit with two 10Ω resistors in series connected to a 20V source? (2020)

Step 1: Identify the resistors in the circuit. We have two resistors, each with a resistance of 10Ω.
Step 2: Calculate the total resistance in the circuit. Since the resistors are in series, add their resistances: 10Ω + 10Ω = 20Ω.
Step 3: Identify the voltage source. The circuit is connected to a 20V source.
Step 4: Use the power formula to calculate the total power consumed. The formula is P = V² / R.
Step 5: Substitute the values into the formula: P = 20² / 20.
Step 6: Calculate 20², which is 400. Then divide 400 by 20 to get the power: 400 / 20 = 20W.

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