Red Seal Electrician Practice
AC generationQuestion 161 of 1506

A 6 m conductor lies across a field, but only 2 m of it is inside the field. Which length is used in e = Blv?

  1. 6 m
  2. 4 m
  3. 8 m
  4. 2 m
Show answer

Correct answer: 2 m

Only the active length, the part that passes through the field, counts.

Source: Trigonometry and Single Phase AC Generation for Electricians (Flinn), 3.1: Electromagnetic Induction

Practice ac generation

Questions last reviewed: 18 October 2026