What is the equivalent resistance of two resistors, R1 = 4Ω and R2 = 6Ω, in para

Practice Questions

Q1
What is the equivalent resistance of two resistors, R1 = 4Ω and R2 = 6Ω, in parallel? (2022)
  1. 2.4Ω
  2. 10Ω
  3. 24Ω
  4. 1.5Ω

Questions & Step-by-Step Solutions

What is the equivalent resistance of two resistors, R1 = 4Ω and R2 = 6Ω, in parallel? (2022)
  • Step 1: Identify the values of the resistors. Here, R1 = 4Ω and R2 = 6Ω.
  • Step 2: Write down the formula for equivalent resistance in parallel: 1/R_eq = 1/R1 + 1/R2.
  • Step 3: Substitute the values of R1 and R2 into the formula: 1/R_eq = 1/4 + 1/6.
  • Step 4: Find a common denominator to add the fractions. The common denominator for 4 and 6 is 12.
  • Step 5: Convert the fractions: 1/4 = 3/12 and 1/6 = 2/12.
  • Step 6: Add the fractions: 1/R_eq = 3/12 + 2/12 = 5/12.
  • Step 7: To find R_eq, take the reciprocal of 5/12: R_eq = 12/5.
  • Step 8: Simplify 12/5 to get the final answer: R_eq = 2.4Ω.
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