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10 question-answer on grouping of cells | Learn Physics

10 question-answer on grouping of cells 1.        To draw a maximum current from a combination of cells, how should the cells be grouped? (a)     Parallel (b)    Series (c)     Mixed grouping (d)    Depends upon the relative values of internal and external resistances. Ans: ( d) 2.        Five cells each of internal resistance 0.2 Ω and e.m.f. 2 V are connected in series with a resistance of 4Ω. The current through the external resistance is (a)     4A (b)    2A (c)     1 A (d)    0.5A Ans: (b) 3.        Which of the following are true when the cells are connected in series? (a)     Current capacity decreases (b)    Current capacity increases (c)     The e.m.f. decreases (d)    The e.m.f. increases. Ans: (d) 4. ...