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The Connection Of 1/4 Watt Resistor | Resistor In Series | Resistor In Parallel
Suppose you don't have a 220 ohm resistor.
You can make a 220 ohm resistor with two resistors in series. The total resistance will be 200 ohms, but resistors are not accurate and the result will be very close to 220R.
Electronic circuits are not very critical. You will not be able to see the difference in brightness between 200 ohms and 220 ohms.
When resistors are connected in series, the total resistance is found by adding the resistance of each resistor.
Connecting Resistors in Parallel
You can create a 220 ohm resistor by connecting two resistors in Parallel.
When two equal-value resistors are connected in Parallel, the total resistance across the combination is HALF.
470R in parallel with 470R produces 235R. This is very close to 220R.
We are not going into the formula as it is very
complex. Three equal-value resistors in parallel produce a total of one-third.
Simply get two resistors and connect them in
parallel and measure them with a multimeter.
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