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RAD 106 exam 2

QuestionAnswer
What is Amplitude? The height of wave (intensity/brightness)
What is Wavelength? The distance between crests
What is Frequency? The number of waves per second
What is Velocity? The speed of light = 3 × 10⁸ m/s
What is the relationship between Frequency and Wavelength? Inverse relationship
What is the relationship between Energy and Frequency? Direct relationship
What is the smallest unit if electromagnetic energy? Photon
What is Planck's equation? E=hf
What is Electrostatics? Stationary charges
What is Electrodynamics? Moving charges
What is the rule of charges? Like charges repel Unlike charges attract
What is the rule of Magnetism? Like poles repel Unlike polea attract
Define and list the 3 magnetic materials. Ferromagnetic = easily magnetized Paramagnetic = weak attraction Diamagnetic = weak repulsion (ex: water)
Define Current (I) The flow of electrons
Define Voltage (V) The electrical potential
Define Resistance (R) Opposite flow of electrical current
Created by: Aaliyah602
 

 



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