Explain electrical devices are often rated with a voltage

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Electrical devices are often rated with a voltage and a current for example 120 V 5S batteries however are only with a voltage for example 1.5V why?

Reference no: EM13236938

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Explain electrical devices are often rated with a voltage : Electrical devices are often rated with a voltage and a current for example 120 V 5S batteries however are only with a voltage for example 1.5V why?
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