A fixed resistance r1 and a variable resistance r2, are connected in parallel. If the value of r2 can be varied between zero and infinity, what is the minimum and maximum possible resistance of the parallel combination ?(A) 0, INFINITY(B) r1, r1+r2(C) 0, r1(D) r2, r1+r2
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iron + 5 y + 4 is equal to 5 and and answer is 5 x 5
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