The battery in the diagram is to be charged by the generator \( \mathrm{G} \). The generator has....

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The battery in the diagram is to be charged by the generator \( \mathrm{G} \). The generator has a terminal voltage
\( \mathrm{P} \)
of 120 volts when the charging current is 10 amperes. The battery has an emf of 100 volts and
W
an internal resistance of \( 1 \mathrm{ohm} \). In order to charge the battery at 10 amperes charging current, the resistance \( \mathrm{R} \) should be set at
(A) \( 0.1 \Omega \)
(B) \( 0.5 \Omega \)
(C) \( 1.0 \Omega \)
(D) \( 5.0 \Omega \)


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