(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

http://img169.imageshack.us/img169/8502/73860646mw1.jpg [Broken]

Given

R3= 10.0Ω

IR1= 2.0A

Prove that Vpri =30( 10R1+R1R2+10R2)/R2

2. Relevant equations

3. The attempt at a solution

Current across R2= 2xR1/R2

Current across R3= 2R1/R2 +2A

Total Voltage in sec coil= [2R1/R2 +2] x10 + 2R1

= 20R1+20+2R1R2/R2

Im stuck here currently=( any help?

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Need help on transformers

**Physics Forums | Science Articles, Homework Help, Discussion**