What is the reactance of an inductor at a frequency of 50 Hz if the inductance i

Practice Questions

Q1
What is the reactance of an inductor at a frequency of 50 Hz if the inductance is 0.1 H? (2023)
  1. 31.4 Ω
  2. 6.28 Ω
  3. 157 Ω
  4. 12.56 Ω

Questions & Step-by-Step Solutions

What is the reactance of an inductor at a frequency of 50 Hz if the inductance is 0.1 H? (2023)
  • Step 1: Identify the formula for reactance of an inductor, which is X_L = 2πfL.
  • Step 2: Determine the values needed for the formula: frequency (f) is 50 Hz and inductance (L) is 0.1 H.
  • Step 3: Substitute the values into the formula: X_L = 2π(50)(0.1).
  • Step 4: Calculate the multiplication inside the parentheses: 50 * 0.1 = 5.
  • Step 5: Now substitute back into the formula: X_L = 2π(5).
  • Step 6: Calculate 2π * 5. Use the value of π (approximately 3.14): 2 * 3.14 * 5 = 31.4.
  • Step 7: Conclude that the reactance of the inductor at 50 Hz is 31.4 Ω.
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