and 
respectively are to be connected to a
battery of emf 6 V so as to obtain
(a)(i)minimum current (ii)maximum current
(b) How will you connect the resistances in each case?
(c) Calculate the strength of the total current in the
circuit in the two cases.
Answer:
(a)
(i) For obtaining minimum current, the two resistors should be connected in parallel.
(ii) For obtaining maximum current, the two resistors should be connected
in series. (1)
(b) 
For parallel
combination,
Total current in the circuit 
(c) For series combination,
Total current in the circuit 
(1)
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