Hi all,

I been given the circuits attached in the image, R1 and R3 need to have a load of 5W, so using P=(V^2)/R I rearranged to get R and worked out R1 and R3 need to be 28.8Ω to get 5W load. However how do I choose the resistor values of R2 and R4.

cheers.

I been given the circuits attached in the image, R1 and R3 need to have a load of 5W, so using P=(V^2)/R I rearranged to get R and worked out R1 and R3 need to be 28.8Ω to get 5W load. However how do I choose the resistor values of R2 and R4.

cheers.