[a] Watch the video youtube.com/watch?v=bVquLXTq4bQ (Tibees – Long hair vs. Van de Graaff generator). Write down and describe at least three concepts or ideas about that you found interesting in the video, and give the time stamps when they are first mentioned – at least one between 0:01 and 4:00 of the video, at least one between 4:01 and 8:00, and at least one between 8:01 and the end of the video. Your answer should total about 30-50 words.
[b] What is the electrostatic force between two negatively charged objects X meters apart that respectively have 0.015 coulombs and Y coulombs of charge? Show your calculations.
[c] A circuit has a voltage source of X volts and a resistor of Y ohms. What is the current flowing through the circuit, and what is the power generated in the circuit? Show your calculations.
Sample Solution