A \( 7 \mathrm{~V} \) battery with internal resistance \( 2 \Omega \) and a \( 3 \mathrm{~V} \) b...
A \( 7 \mathrm{~V} \) battery with internal resistance \( 2 \Omega \) and a \( 3 \mathrm{~V} \) b...
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