ch27-p048 - 48. (a) We use P = 2/Req, where Req = 7.00 +...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
48. (a) We use P = ε 2 / R eq , where ( )( ) () ( ) eq 12.0 4.00 7.00 . 12.0 4.0 12.0 4.00 R R R R ΩΩ =Ω + +Ω + Put P = 60.0 W and ε = 24.0 V and solve for R: R = 19.5 . (b) Since P R eq , we must minimize R eq , which means R = 0. (c) Now we must maximize R eq , or set R = . (d) Since R eq, min
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online