7. Four cells of resistance 1/4 are connected in series
with one cell has its terminal reversed. The current
flowing will be, if each cell has emf 1.5 V and 1-ohm is
the external resistance
(a) 1.5 A
(b) 3.5 A
(c) 2.8 A
(d) None of the above
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Answer:
(b) 3.5 A
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