GK Question

science medium mcq

Thermoelectric generators convert heat directly into electricity using the ________ effect.

  1. Photoelectric
  2. Seebeck
  3. Peltier
  4. Thomson

Answer: Seebeck

Seebeck effect: temperature gradient across dissimilar conductors generates voltage. Used in space probes (RTGs), waste heat recovery. Peltier effect is reverse (electricity → cooling). [[NCERT Physics Class 12]]

Topic Physics - Energy Conversion
Exam Relevance Railway JE, SSC JE, Banking Specialist Officer