I'm still kinda lost as to how to start it.. we've learned the node and volatge laws and I think we are supposed to use them but I am not sure how. I don't have any values for current so I can't really use the node law, and what significance is V1+V2-V=0? I'm still just confused :S
Homework Statement
In the figure below, find the following. (Let E1 = 26.0 V, E2 = 13.0 V, and R = 9.0 Ω.)
(attachment)
(a) the current in each resistor
I1 =
I2 =
I3 =
(b) the power delivered to each resistor
P1 =
P2 =
P3 =
Homework Equations
V=IR...
Homework Statement
In an electron microscope, there is an electron gun that contains two charged metallic plates 2.75 cm apart. An electric force accelerates each electron in the beam from rest to 8.90% of the speed of light over this distance. (Ignore the effects of relativity in your...