In a circuit with a 9V battery and two resistors (R1 = 3Ω, R2 = 6Ω) in series, w

Practice Questions

Q1
In a circuit with a 9V battery and two resistors (R1 = 3Ω, R2 = 6Ω) in series, what is the current flowing through the circuit?
  1. 1A
  2. 2A
  3. 3A
  4. 0.5A

Questions & Step-by-Step Solutions

In a circuit with a 9V battery and two resistors (R1 = 3Ω, R2 = 6Ω) in series, what is the current flowing through the circuit?
  • Step 1: Identify the voltage of the battery. In this case, it is 9V.
  • Step 2: Identify the values of the resistors. R1 is 3Ω and R2 is 6Ω.
  • Step 3: Calculate the total resistance in the circuit. Add R1 and R2 together: R_total = R1 + R2 = 3Ω + 6Ω.
  • Step 4: Perform the addition: R_total = 9Ω.
  • Step 5: Use Ohm's Law to find the current. Ohm's Law states that Current (I) = Voltage (V) / Resistance (R).
  • Step 6: Substitute the values into the formula: I = 9V / 9Ω.
  • Step 7: Perform the division: I = 1A.
  • Step 8: Conclude that the current flowing through the circuit is 1A.
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