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    Capacitor start single phase motor

    hi I have been given the task to sort out a broken barrier at the entrance to my work. It is a simple enough system, push button to go up/down and a stop button. Within the barrier mechanism is 2 pistons (one for up, one for down) which are controlled by a hydraulic pump. The pump has a...
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    Leakage resistance of capacitor theory help?

    leakage resistance of capacitor theory help?? Homework Statement i have worked out the answer to my question, yet it seems silly so have convinced myself its wrong. Please help, or tell me if i'm being stupid if you can?? a parallel plate capacitor Er=12, length=10mm, width=5mm, C=100pF...