# Search results

1. ### Current, Voltage Really Easy Question

what do you mean by saying they are in series? what is in series? and what gets crossed?
2. ### Electric Potential and Superposition of Electric Potential

hahaha FINALLY i got the right answer. thanks SO much!
3. ### Electric Potential and Superposition of Electric Potential

Ohhh okay so its U(initial)-U(final)? But how would you calculate the U(final) for each charge pair, which would be U = (k*q*qo)/r, if the r approaches infinity and makes U = 0? Wouldnt that make the change in PE the same thing as U(initial)?
4. ### Electric Potential and Superposition of Electric Potential

Okay that makes sense about the charge pairs. So would you simply add the U values found before and after pushing the charges to infinity? Or would you do U(initial) - U(final), or would you do U(final) - U(initial)?
5. ### Electric Potential and Superposition of Electric Potential

Yes, I tried that using U = (k*q*qo)/r while considering the three different charges (which means that there would be three different U values). Would you simply use this formula for the three different charges and add the values? Does this account for the fact that you are trying to push the...
6. ### Electric Potential and Superposition of Electric Potential

1. Three charges are placed at the corners of a rectangle (one charge of -3.3e-6 C is placed on the bottom left hand corner, one charge of 2.7e-6 C on the upper right hand corner, and one charge of -6.6e-6 C on the upper left hand corner.) of length x = 0.65 m and height y = 0.43 m. How much...
7. ### Electric Potential

1. A parallel-plate capacitor filled with air has plates of area 0.0061 m2 and a separation of 0.65 mm. Find the magnitude of the charge on each plate when the capacitor is connected to a 12 V battery. 2. E = delta(V)/delta(s) 3. I keep getting the wrong answer by using the...