A battery of e.m.f. E has an internal resistance ‘r’. A variable resistance R

| April 14, 2018

A battery of e.m.f. E has an internal resistance ‘r’. A variable resistance R is connected to the terminals of the battery. A current I is drawn from the battery. V is the terminal P.D. lf R alone is gradually reduced to zero, which of the following best describes I and V?(A) I approaches E / r, V approaches E(B) I approaches infinity, V approaches E(C) I approaches zero, V approaches E(D) I approaches E / r, V approaches zero

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