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Capacitance: (speaking in regards to a demo capacitor built from an aluminum and mylar sheet, as well as a couple of electrical leads)
a) How does the shape of the foil affect the capacitance? Would it still be a capacitor if the foil and mylar took on a different shape; say for example if the top sheet of foil were crumpled into a ball?
b) Discuss the effects of Ac€A?fringingAc€?? of the fields. Why is C= ErE0 (A/d) an approximation to the capacitance of a parallel plate capacitor?
A very large nonconducting plate lying in the xy-plane carries a charge per unit area of 10s. A second such plate located at z = 5.00 cm and oriented parallel to the xy-plane carries a charge per unit area of -1s. Find the electric field for the f..
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For high frequency sounds, the ear's principle method of localization is the difference in intensity sensed by the two ears. why can't the ear reliably use this method for low-frequency sounds? doesn't the head cast a "sound shadow" regardless of ..
The coefficient of kinetic friction for wood sliding on wood is 0.20. What is the final speed of the bullet
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