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What is the total current in a circuit with a 9V battery and a 3Ω resistor?

Practice Questions

Q1
What is the total current in a circuit with a 9V battery and a 3Ω resistor?
  1. 1A
  2. 2A
  3. 3A
  4. 4A

Questions & Step-by-Step Solutions

What is the total current in a circuit with a 9V battery and a 3Ω resistor?
  • Step 1: Identify the voltage of the battery, which is 9 volts (V).
  • Step 2: Identify the resistance of the resistor, which is 3 ohms (Ω).
  • 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: Substitute the values into the formula: I = 9V / 3Ω.
  • Step 5: Calculate the current: 9 divided by 3 equals 3.
  • Step 6: Conclude that the total current in the circuit is 3 amperes (A).
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