In a circuit with a 10V battery and two resistors in series (R1 = 2Ω, R2 = 8Ω),

Practice Questions

Q1
In a circuit with a 10V battery and two resistors in series (R1 = 2Ω, R2 = 8Ω), what is the current flowing through the circuit?
  1. 0.5A
  2. 1A
  3. 2A
  4. 5A

Questions & Step-by-Step Solutions

In a circuit with a 10V battery and two resistors in series (R1 = 2Ω, R2 = 8Ω), what is the current flowing through the circuit?
  • Step 1: Identify the voltage of the battery, which is 10V.
  • Step 2: Identify the values of the resistors: R1 = 2Ω and R2 = 8Ω.
  • Step 3: Calculate the total resistance in the circuit by adding the resistances of R1 and R2: R_total = R1 + R2 = 2Ω + 8Ω.
  • 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 = 10V / 10Ω.
  • Step 7: Perform the division to find the current: I = 1A.
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