A 8 ohm resistor and a 10 ohm resistor are connected in series in a circuit with a 17 volt battery. Assuming negligible internal resistance in the battery, the current in the first resistor listed will be

The nuclear potential that binds protons and neutrons in the nucleus of an atom is often approximated by a square well. imagine a proton conned in an innite square well of length 105 nm, a typical nuclear diameter. calculate the wavelength and energy associated with the photon that is emitted when the proton undergoes a transition from the rst excited state (n 2) to the ground state (n 1). in what region of the electromagnetic spectrum does this wavelength belong?