A parallel plate capacitor filled with mica having er =5 is connected to a 10v battery.
The area of the parallel plate is 6m2 and separation distance is 6mm
a. find the capacitance and stored charge
(b) After the capacitor is fully charged, the battery is disconnected and the dielectric is removed carefully.
Calculate the new Value of capacitance, Stored energy and charge.
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Consider the growth of a 20-nm-diameter silicon nanowire onto a silicon wafer. the temperature of the wafer surface is maintained at 2400 k. assume the thermal conductivity of the silicon nanowire is 20 wm-1k-1 and all its surfaces including the tip are subjected to convection heat transfer with the coefficient h = 1×105 wm-2k-1 and t∞ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =