The εr=7 insulator material between the concentric semiconductor
cylinders with inner radius a=1mm, outer radius b=7mm and length
L=15mm was shifted by c=4mm and some area was left as space (air).
(The length of the air zone is c).
Solve the solution of the problem by modeling it as an
infinitely long ideal full cylinder and determine the numerical
values, ignoring irregularities as a half cylinder and finite
length. The dielectric constant for the gap is 1/36π 10-9 F/m.
What is the smallest (unsigned) electric field strength in V/m
when a potential difference of V=5 Volts is applied between the
independent conductors?
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