In a series circuit with a 12V battery and two resistors of 4Ω and 6Ω, what is t

Practice Questions

Q1
In a series circuit with a 12V battery and two resistors of 4Ω and 6Ω, what is the total current flowing through the circuit?
  1. 1A
  2. 2A
  3. 3A
  4. 4A

Questions & Step-by-Step Solutions

In a series circuit with a 12V battery and two resistors of 4Ω and 6Ω, what is the total current flowing through the circuit?
  • Step 1: Identify the voltage of the battery, which is 12V.
  • Step 2: Identify the resistors in the circuit, which are 4Ω and 6Ω.
  • Step 3: Calculate the total resistance in the series circuit by adding the resistances together: R_total = R1 + R2 = 4Ω + 6Ω.
  • Step 4: Perform the addition: R_total = 10Ω.
  • Step 5: Use Ohm's law to find the current: I = V / R_total.
  • Step 6: Substitute the values into the formula: I = 12V / 10Ω.
  • Step 7: Perform the division to find the current: I = 1.2A.
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