Physics · Current Electricity
An array of n parallel resistors (each of resistance R) is connected in series with a single resistor R and an ideal battery. If an identical resistor R is added in parallel to the parallel array, the total current through the battery changes by 1.25%. What is the value of n?
- 1No such value exists
- 212
- 310
- 48✓
Correct answer
8
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