The Largest Resistor
Electricity and Magnetism
Level
2
Three unequal resistors in parallel are equivalent to a resistance of 1 Ohm . If two of them have their resistances in the ratio 1:2 and if no resistance value is fractional then the largest resistance value ( out of the three) is ( In SI units )
6
8
4
12
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1 solution
reciprocal of 1/2+1/3+1/6=1 ohms