A 34 ohm resistor dissipates 500 J of energy every second. What is the potential difference across it?
Thanks in advance
Physics - Electricity Question watch
- Thread Starter
- 02-06-2016 15:45
- 02-06-2016 16:24
500 J/S pretty much means 500W of power. Because 1 Watt is 1 Joule per second.
Using P = V^2/R, we rearrange to get V so that is:
Hence the voltage would be the square root of (500x34) which rounds to about 130.4V