A seismometer detects earthquakes using:

  1. electromagnetic induction between a magnet and a coil
  2. radioactivity
  3. the photoelectric effect
  4. static electricity
Answer

A) electromagnetic induction between a magnet and a coil

Relative motion induces e.m.f. SLO P-09-E-43 · Application

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise