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SOLVED: A vacuum tube diode consists of concentric cylindricalelectrodes, the negative cathode and the positive anode. Because ofthe accumulation of charge near the cathode, the electric potentialbetween the electrodes is not a linear function of the position,even with planar geometry, but is given by V(x)=C x 4/3 where x isthe distance from the cathode and C is a constant, characteristicof a particular diode and operating conditions. Assume that thedistance between the cathode and anode is 16.0

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