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What is the total resistance of two 4Ω resistors connected in series? (2020)

Practice Questions

Q1
What is the total resistance of two 4Ω resistors connected in series? (2020)
  1. 4Ω
  2. 8Ω
  3. 2Ω
  4. 16Ω

Questions & Step-by-Step Solutions

What is the total resistance of two 4Ω resistors connected in series? (2020)
  • Step 1: Identify the resistors. We have two resistors, each with a resistance of 4Ω.
  • Step 2: Understand that when resistors are connected in series, their total resistance is the sum of their individual resistances.
  • Step 3: Write down the formula for total resistance in series: R_eq = R1 + R2.
  • Step 4: Substitute the values of the resistors into the formula: R_eq = 4Ω + 4Ω.
  • Step 5: Perform the addition: 4Ω + 4Ω = 8Ω.
  • Step 6: Conclude that the total resistance of the two 4Ω resistors connected in series is 8Ω.
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