Nov 21, 2021 · To have some headroom I bought a 4-7V 20A adjustable power supply. Now I tested my setup and I realized that the LEDs farthest from the power supply gradually became …

Electrical power is the product of voltage and current: $$ P = VI $$ Usually we are converting electrical energy into heat, and we care about power because we don't want to melt our …

May 2, 2020 · 90 Watts at 5 volts is 18 Amps, so you need a 5 volt power supply that can supply at least 20 Amps - perhaps 25 Amps to allow a safety margin. I'm surprised that existing …

Jul 19, 2021 · The average voltage indeed is 0.5V in your example, however power is proportional to the square of voltage, so you cannot simply use the average of the voltage and the …

May 17, 2021 · I have this snubber circuit in the DC-DC Converter. Can someone tell me how to calculate the power dissipation of the encircled resistor? And what would be the maximum …

Apr 27, 2021 · In my textbook in the power calculations section of the balanced three phase circuits, a part confused me a little bit, it is this part: Why are we dividing by \\$\\sqrt{3}\\$ to …

Feb 21, 2020 · A simple method might be: - Convert power to watts: 45 dBm is 32 watts Divide by Z0 to get current squared Take the square root to get current (0.8 amps RMS) Then use an on …

Jun 22, 2016 · 5 I'm trying to measure total power (dBm) from the following spectrum, the spectrum is 5MHz wide, the peak power from the spectrum is about -40 dBm, I have an array …

Jul 31, 2017 · Hoist motor power is calculated by: P = M.g.v/n M = Mass g = Gravity v = velocity of raise mption n (meant to be the greek letter nu) = efficiency losses due to gears/ pulleys The …

Nov 10, 2020 · Power calculator xls throws you the exact power based on Data sheet test conditions and maximum limits, Power derated for system usage condition input and Total …