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Plastic is an insulator. Therefore no seperation of charge and no induced current. Copper with slit. Still induced eddy currents however the size is smaller. So it's B

Ideas to implementation

Hertz knew the frequency of the radio waves. He then focused the radio waves onto a mirror which reflected the radio waves to produce a standing wave. He measured the half wavelengths at the points where the constructively and desconstructively interfered producing no radio waves. He then use...

The work function of the different metals is why this phenomenon occurs. The platinum has a higher KEmax Work function compared to Zinc. (KEmax = hf - work function) To increase the KE energy of the light to overcome the work function of the metal you would have to increase the frequency of...

5. Pauli contribution was the 4th quantum number which was the spin quantum number. This solved the hyperfine splitting where the energy of an electron is slightly different for the two spin directions. which you said. He also contributed on his Exclusion Principle where he stated that no two...

Yeh my bad, Forgot to put the r next to the B Should be q/m = v/Br

He first used the magnetic field to find the deflection of the cathode ray F(b) = F(c) qvB = mv^2/r q/m = v/Br Then he aligned the beam until it was straight by using an electric field F(b)=F(E) qvB = qE v=E/B Then he subbed the velocity back into the charge to mass ratio (q/m) to get q/m =...