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In a series AC circuit, if the voltage is 120V and the current is 10A, what is t

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Question: In a series AC circuit, if the voltage is 120V and the current is 10A, what is the power consumed?

Options:

  1. 120W
  2. 100W
  3. 1000W
  4. 1200W

Correct Answer: 1200W

Solution: 

Power (P) in an AC circuit is calculated as P = V * I. Therefore, P = 120V * 10A = 1200W.

In a series AC circuit, if the voltage is 120V and the current is 10A, what is t

Practice Questions

Q1
In a series AC circuit, if the voltage is 120V and the current is 10A, what is the power consumed?
  1. 120W
  2. 100W
  3. 1000W
  4. 1200W

Questions & Step-by-Step Solutions

In a series AC circuit, if the voltage is 120V and the current is 10A, what is the power consumed?
Correct Answer: 1200W
  • Step 1: Identify the voltage in the circuit. In this case, the voltage (V) is 120V.
  • Step 2: Identify the current in the circuit. Here, the current (I) is 10A.
  • Step 3: Use the formula for power in an AC circuit, which is P = V * I.
  • Step 4: Substitute the values into the formula: P = 120V * 10A.
  • Step 5: Calculate the power: 120V * 10A = 1200W.
  • Step 6: Conclude that the power consumed in the circuit is 1200W.
  • Power Calculation in AC Circuits – Understanding how to calculate power using voltage and current in an AC circuit.
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