What is the total current in a circuit with a 9V battery and two 3Ω resistors in

Practice Questions

Q1
What is the total current in a circuit with a 9V battery and two 3Ω resistors in series? (2021)
  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 two 3Ω resistors in series? (2021)
  • Step 1: Identify the voltage of the battery. In this case, it is 9V.
  • Step 2: Identify the resistance of each resistor. Each resistor has a resistance of 3Ω.
  • Step 3: Since the resistors are in series, add their resistances together. 3Ω + 3Ω = 6Ω.
  • Step 4: Use Ohm's Law to find the current. Ohm's Law states that Current (I) = Voltage (V) / Resistance (R).
  • Step 5: Substitute the values into the formula: I = 9V / 6Ω.
  • Step 6: Calculate the current: 9V divided by 6Ω equals 1.5A.
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