Multiple choice general knowledge math & puzzles

The presence of charge on a substance can be confirmed by a

  1. Thermometer

  2. Ammeter

  3. Gold Leaf Electroscope

  4. Electrodes

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A Gold Leaf Electroscope is a classic scientific instrument used to detect the presence and magnitude of electric charge on a body. An ammeter measures current flow, a thermometer measures temperature, and electrodes are conductors used to contact non-metallic parts of a circuit.