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In a circuit with a 24V battery and a total resistance of 8Ω, what is the power
In a circuit with a 24V battery and a total resistance of 8Ω, what is the power consumed by the circuit? (2023)
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Practice Questions
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In a circuit with a 24V battery and a total resistance of 8Ω, what is the power consumed by the circuit? (2023)
72 W
48 W
36 W
24 W
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Power P = V^2/R = 24^2/8 = 576/8 = 72 W.
Questions & Step-by-step Solutions
1 item
Q
Q: In a circuit with a 24V battery and a total resistance of 8Ω, what is the power consumed by the circuit? (2023)
Solution:
Power P = V^2/R = 24^2/8 = 576/8 = 72 W.
Steps: 7
Show Steps
Step 1: Identify the voltage (V) of the battery, which is 24 volts.
Step 2: Identify the total resistance (R) in the circuit, which is 8 ohms.
Step 3: Use the formula for power (P) in a circuit, which is P = V^2 / R.
Step 4: Substitute the values into the formula: P = 24^2 / 8.
Step 5: Calculate 24^2, which equals 576.
Step 6: Divide 576 by 8 to find the power: 576 / 8 = 72.
Step 7: Conclude that the power consumed by the circuit is 72 watts.
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