alleryStart learning →Fuses and circuit breakers are rated in which unit?
AJoules
BAmperes
CWatts
DVolts
Answer & Solution
Correct answer: B. Amperes
1. Protective devices are rated by the current they can carry.
2. Current is measured in amperes.
3. Fuses and circuit breakers are rated in amperes, or amps.
4. Many electrical appliances carry the same rating.
_Source: OpenStax College Physics for AP Courses 2e (CC BY 4.0), Ch 20 'Electric Current, Resistance, and Ohm's Law', sections 20.1-20.7_
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