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Railways PYQCBT 2 2017

RRB NTPC · Question 69

Which one of the following is not an energy converter?

  1. Solar panel

  2. Steam engine

  3. Plain glass

  4. Electric iron

Show answer & explanation

Answer: (C) Plain glass

Explanation

A solar panel converts light to electricity, a steam engine converts heat to motion and an electric iron converts electricity to heat. Plain glass only lets light through; it does not convert energy.