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What is the total current in a circuit with a 12V battery and a total resistance

Practice Questions

Q1
What is the total current in a circuit with a 12V battery and a total resistance of 3 ohms?
  1. 4 A
  2. 2 A
  3. 3 A
  4. 1 A

Questions & Step-by-Step Solutions

What is the total current in a circuit with a 12V battery and a total resistance of 3 ohms?
  • Step 1: Identify the voltage of the battery. In this case, it is 12 volts.
  • Step 2: Identify the total resistance in the circuit. Here, it is 3 ohms.
  • Step 3: Use Ohm's law formula, which is I = V / R, where I is the current, V is the voltage, and R is the resistance.
  • Step 4: Plug in the values into the formula: I = 12V / 3 ohms.
  • Step 5: Calculate the result: 12 divided by 3 equals 4.
  • Step 6: Conclude that the total current in the circuit is 4 amperes (A).
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