1. The problem statement, all variables and given/known data Given a coaxial cylindrical capacitor with a dialectric constant of 87.9, what field strength is needed to oscillate a dipole within the field at 175,000 hz...? What dimensions would the capacitor have in order to produce the field strength needed for that oscillation...? 2. Relevant equations Given that Torque = P (dipole moment) X E(field strength) T= P X E & T=I (moment of Inertia) * a (alpha, angular accelleration) Therefore P X E = I * a rearranging a = P X E/I For simple harmonic motion, T (period in seconds) = 2*pi*sqrt(I/P X E) T= 1/f P= 6.24E-30 C m I = (z axis) = 1.92E-47 Kg m^2 3. The attempt at a solution My result yields the E (field strength) of 2.67E5 N/C If this is correct, what capacitor design will provide this given the following constraints? Radius no greater than approximately 7 cm for the outer electrode Electrode length no longer than approximately 30 cm for both electrodes What voltage will be applied?