Voltage Supplied To An Indicator Light

Question Text

An indicator light on a DVD player has a resistance of 257 \( \rm \Omega \) and has 80 \( \textrm {mA}\) of current passing through it. How many volts must be supplied to operate this light?

Answer Section

Attribution

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