SOLUTION: Science and medicine. The combined resitance of two resistors R and R
___________ ___________ ___________ ___________ _ 1____ 2
in a parallel ciruit is given by the form
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Question 72486: Science and medicine. The combined resitance of two resistors R and R
_________________________________________________ 1____ 2
in a parallel ciruit is given by the formula.
R = 1/(1/R ) + (1/ R )
_:T______1______2
I am having a hard time with this problem and need some help. Thanks
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
:
I think you mean the resistors in parallel formula which is:
:
When there are only two resistors in parallel, it can be simplified:
Put the denominator fraction over a common denominator:
:
When you divide by a fraction, you invert and multiply:
1 *
:
Or just:
:
The "product over sum" equation universally used for two resistors in parallel
:
For example if you had R1 = 30 ohms and R1 = 70 ohms
Rt =
Rt =
Rt = 21 ohms
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