Question

. 'n' resistors each of resistance 'R' are connected to get (i) maximum (ii) minimum

resistance. What is the ratio of maximum to minimum resistance.​

Answer 1

Answer:

Resistors must be connected in series to get the maximum resistance; and in parallel to get the minimum resistance.

The maximum resistance, R max = nR

For the minimum resistance, 1/R min = n/R → Rmin = R/n

• →Rmax/Rmin = nR/R\n = n² : 1
• hence ratio is → n² : 1

Explanation:

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