Multiple choice general knowledge science & technology

An ammeter is used to measure

  1. Electromagnetic field

  2. Light Intensity

  3. Loudness

  4. Electric current
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

An ammeter (from 'ampere-meter') measures electric current in amperes. Electromagnetic fields are measured by gaussmeters. Light intensity is measured by photometers or lux meters. Loudness is measured in decibels using sound level meters.

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