Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
25mw gives you the voltage across R5 (use Ohm's law for power) which gives you the node voltage for R6,7. Take the sum of R6,7 in parallel with R5, now you can find the current into that node and the drop across R4. This gives you the voltage across R3, etc.
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