A (60-mathrm{W}) light bulb has resistance (R=10.00 Omega) when connected to a battery with (mathrm{emf} mathscr{E}=120.0 mathrm{~V}).

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A \(60-\mathrm{W}\) light bulb has resistance \(R=10.00 \Omega\) when connected to a battery with \(\mathrm{emf} \mathscr{E}=120.0 \mathrm{~V}\). What is the internal resistance \(R_{\text {batr }}\) of the battery?

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