youda.chen886
Newbie level 4

Those questions look fairly straight forward. What is "tricky" about them?The above question is a bit tricky for me, could anybody do me a favor?
Okay~ I got it.It's quite simple, you use Ohm's law (V=I*R, P=I*V). The only thing you must care is you need to work with complex numbers. Put all the data into the same notation and the operate, is more a mathematics problem than electronics.