Getting caught up on class work.

Can somebody explain this relationship/formula in plain English? I thought it would come back to me since I was an EM3 in the USCG but nada.

Rt= 20ohms It= 5A Et= 100V Pt=500W

R1= 5ohms I1= 5A E1= 25V P1=125W

R2= 10ohms I2= 5A E2= 50V P2= 230W

R3= 5ohms I3= 5A E3= 25V P3= 125W

Any advice appreciated!:thumbsup:

That is just basic Ohm's Law.

From first line in example

Amps x Volts = Watts 5A x 100V = 500W

Watts / Volts = Amps 500W / 100V = 5A

Watts / Amps = Volts 500W / 5A = 100V

Volts / Amps = Ohms 100V / 5A = 20ohms

Amps x Ohms = Volts 20 ohms x 5A = 100V

The third line is wrong, should be 250 watts.

Just do a web search, there are some good sites about Ohm's Law in Series and Parallel Resistive circuits