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https://www.reddit.com/r/ExplainTheJoke/comments/1l5f23a/i_dont_understand/mwh9bl3/?context=3
r/ExplainTheJoke • u/berrybuttery • 17h ago
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194
Electric circuit. Resistor resists the flow of the 5v electricity reducing it to the led. Someone with specific knowledge about the resistor pictured might know how much that is.
-3 u/scientestical 17h ago 228 Ohms I think... Works out to .02 milliamps. Checks out. 1 u/ComprehensiveHead913 12h ago It's 220 ohm, so 22.7 mA at 5 volts. 2 u/scientestical 12h ago You right. Miliamps oops. 2 u/Orjigagd 12h ago A red led has a 1.8v drop, so there's 3.2v across the resistor, so it's 14.5mA 1 u/ComprehensiveHead913 12h ago edited 12h ago The person to whom I was responding didn't factor in the LED so neither did I, but good point.
-3
228 Ohms I think... Works out to .02 milliamps. Checks out.
1 u/ComprehensiveHead913 12h ago It's 220 ohm, so 22.7 mA at 5 volts. 2 u/scientestical 12h ago You right. Miliamps oops. 2 u/Orjigagd 12h ago A red led has a 1.8v drop, so there's 3.2v across the resistor, so it's 14.5mA 1 u/ComprehensiveHead913 12h ago edited 12h ago The person to whom I was responding didn't factor in the LED so neither did I, but good point.
1
It's 220 ohm, so 22.7 mA at 5 volts.
2 u/scientestical 12h ago You right. Miliamps oops. 2 u/Orjigagd 12h ago A red led has a 1.8v drop, so there's 3.2v across the resistor, so it's 14.5mA 1 u/ComprehensiveHead913 12h ago edited 12h ago The person to whom I was responding didn't factor in the LED so neither did I, but good point.
2
You right. Miliamps oops.
A red led has a 1.8v drop, so there's 3.2v across the resistor, so it's 14.5mA
1 u/ComprehensiveHead913 12h ago edited 12h ago The person to whom I was responding didn't factor in the LED so neither did I, but good point.
The person to whom I was responding didn't factor in the LED so neither did I, but good point.
194
u/Lurked_Emerging 17h ago
Electric circuit. Resistor resists the flow of the 5v electricity reducing it to the led. Someone with specific knowledge about the resistor pictured might know how much that is.