Asked by Anonymous

The formula for the total resistance RT (in ohms) of a parallel circuit is given by
rt= 1 / ((1/r1)+(1/r2)+(1/r3))
where R1, R2, and R3 are the resistance values of the first, second, and third resistors, respectively.
Simplify the total resistance formula.

Answers

Answered by Anonymous
hello, why no response
Answered by oobleck
c'mon. This is just algebra I
You have
1/R = 1/R1 + 1/R2 + 1/R3
The LCD is R1*R2*R3, so
1/R = (R2*R3 + R1*R3 + R1*R2)/(R1 R2 R3)
now just flip both sides.
R = (R1 R2 R3)/(R2*R3 + R1*R3 + R1*R2)
Answered by Anonymous
10
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