Avery long wire generates a magnetic field of 0.0050 × 10-4 t at a distance of 3.0 mm. what is the magnitude of the current?

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?