#### matrixofdynamism

##### Advanced Member level 2

I have 3 questions,

(1) What are the minimum and maximum available resistance values for E6, E12, E24 and E96 resistors? Do all series have a 1 ohm resistor? Which of them have fractional values like 0.1 ohm e.t.c?

(2) When I make mathematical calculations for E6, I get the numbers as 100, 146.78, 215.443, 316.228, 464.159, 681.292 and 1000. However, the actual numbers contained in E6 are 100, 150, 220, 330, 470, 680 and 1000. Why are these not merely round off values of the actual numbers thus giving 100, 145, 215, 316, 464, 681 and 1000 instead?

(3) Why are these values related by root of 10 rather than some other number?