Recent content by Simon777

I've figured out where I went wrong and had to spend a long time learning more about electromagnetism. Now I'm struggling to find the direction of the force. I put absolute values in my calculation to avoid sign changes and ended up with a magnitude of 1.28x10^-21N. Where do I begin to...

Homework Statement A very long solenoid of circular cross section with radius a= 4.80 cm has n= 77.0 turns/cm of wire. An electron is sitting outside the solenoid, at a distance r= 5.30 cm from the solenoid axis. What is the magnitude of the force on the electron while the current in the...

The thing that helped me, and someone correct me if I'm wrong, is that we just ignore all wires otherwise you'd have to think about how the voltage is shared between the components AND all the wires. To calculate how much voltage is in a wire you multiply it's resistance by the current going...

So basically, voltage in the components is dependent on the supply which is why it never exceeds or is less than the voltage of the supply when all the voltages of the components are added. So voltage is the amount of energy packed into 1 coulomb of charge therefore at a given component the...

Nevermind, I figured it out. I had to half d-b just like I thought. For some reason I unknowingly halved d-b and got the right answer and confused myself.

Homework Statement A slab of copper of thickness b = 1.370 mm is thrust into a parallel-plate capacitor of C = 9.00×10-11 F of gap d = 10.0 mm, as shown in the figure; it is centered exactly halfway between the plates. If a charge q = 1.00×10-6 C is maintained on the plates, what is the...

Thank you so much for all your help. I really appreciate the time you took to explain this to me.

After doing a bit more studying and reading your explanation, I believe I have a better grasp of the concept. Thank you so much for helping me do this. My big issue was realizing circuits work in unison and I was thinking too much on an individualistic level. I do have a question about...

I have another question related to this. Does this mean that in the situation you described with the resistors dropping the voltage by 100 volts, that at every point in the circuit, there would be 20 volts of potential energy available? I'm trying to understand how there can be a higher voltage...

It all makes sense now. I don't understand why my professor never mentioned this. Thank you so much for helping me clear this up.

I'm currently studying electric circuits and can't find the answer to my question anywhere so far. I realize current is the flow of positive charge even though positive charges stay put in reality and that this is an old historic concept that is still around today because Benjamin Franklin...

I can't believe I wasted all that time because I overlooked something so basic as units. Thank you so much for helping me realize this. I was over thinking it and thought I needed to factor something else in.

That does make it easier, thank you. Using it, I still end up with 5.65x10^10J. Perhaps one of my terms is wrong. This is what I used: M=5.98·10^24 kg G=6.67x10^-11 m=83.0kg R= 6.37·10^3 km r= 1.011

Homework Statement A satellite in a circular orbit around the Earth with a radius 1.011 times the mean radius of the Earth is hit by an incoming meteorite. A large fragment (m = 83.0 kg) is ejected in the backwards direction so that it is stationary with respect to the Earth and falls directly...

I've been searching around the internet and there doesn't seem to be a straight answer for this. People just spit out an answer and don't back it up with any explanation. This is a complex situation in real life, so let's assume both cars are of the same mass and simplify the scenario by...