Series ResistanceThis calculator requires the use of
Javascript enabled and capable browsers. Begin by entering the
resistance values into the resistance input box. Please be sure to click
on the "Enter Resistance" button after each entry followed by clicking
on the resistance entry box to prepare for the next resistor value
entry. There is no reasonable limitation as to the number of entries as
long as you follow each entry by clicking on the "Enter Resistance"
button and again on the entry box to allow for the next entry. After the
last resistance value has been entered, click on the "Calculate
Resistance" button for the returned series resistance value and the
number of resistor values entered. Series resistance is the sum total
resistance value of the resistors in series. It uses the formula RT = R1
+ R2 + R3. In the formula given, RT is the total (series) resistance of
the circuit, R1 is the resistance value of the first resistor, R2 is the
resistance value of the second resistor, R3 is the resistance value of
the third resistor, and on until the last resistor. Input value is
assumed to be ohms and returns in the same input value. See the
information below the calculator for explanation of the formula. To
calculate parallel resistance, use our Parallel Resistance Calculator.
An
example (and test) of the formula is to use three
resistors, 100 ohms, 200 ohms and 300 ohms, all in a
circuit in series. The total (series) resistance would
be 100 + 200 + 300 or about 600 ohms. Accuracy is good
to the capability of your browser, generally 18
characters in the display window. NaN is an indication
of an error in input or calculation; do the process
again paying close attention to your input.
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Version 2.2.1 |
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