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What is the power consumed by a 12 V battery supplying 3 A of current?

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Question: What is the power consumed by a 12 V battery supplying 3 A of current?

Options:

  1. 36 W
  2. 12 W
  3. 24 W
  4. 48 W

Correct Answer: 36 W

Solution: 

Power (P) is calculated using the formula P = V * I. Therefore, P = 12 V * 3 A = 36 W.

What is the power consumed by a 12 V battery supplying 3 A of current?

Practice Questions

Q1
What is the power consumed by a 12 V battery supplying 3 A of current?
  1. 36 W
  2. 12 W
  3. 24 W
  4. 48 W

Questions & Step-by-Step Solutions

What is the power consumed by a 12 V battery supplying 3 A of current?
  • Step 1: Identify the voltage (V) of the battery, which is 12 volts.
  • Step 2: Identify the current (I) supplied by the battery, which is 3 amperes.
  • Step 3: Use the formula for power (P), which is P = V * I.
  • Step 4: Substitute the values into the formula: P = 12 V * 3 A.
  • Step 5: Calculate the power: 12 multiplied by 3 equals 36.
  • Step 6: Conclude that the power consumed is 36 watts.
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