Mathematics · Percentages

A 5-ampere ammeter is designed to be accurate within ±1.5% at full scale. What is the value of the limiting error when the ammeter is used to measure a current of 2.1 amperes?

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A 5-ampere ammeter is designed to be accurate within &plusmn;1.5% at full scale. What is the value of the limiting error when the ammeter is used to measure a current of 2.1 amperes?