Multiple choice general knowledge science & technology

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

  1. Gold Leaf Electroscope

  2. Electrodes

  3. Thermometer

  4. Ammeter
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A gold-leaf electroscope detects electric charge - when charged, the thin gold leaves repel each other. Thermometers measure temperature, ammeters measure current, and electrodes are conductors, not detectors.

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