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An indicator light on a DVD player has a resistance of \( \rm \Omega \) and has \( \textrm {mA}\) of current passing through it. How many volts must be supplied to operate this light?

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Attribution#

Problem is from the OpenStax University Physics Volume 2 textbook, licensed under the CC-BY 4.0 license.
Image representing the Creative Commons 4.0 BY license.