156 magnetics & Emag
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| What is the inverse square law | The intensity of electromagnetic radiation diminishes over distance. This is an application of this rule
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| Has the ability to block Magnetic Fields | Nothing
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| Photons exhibit this type of behavior | Wave Particle duality
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| A form of energy that originates from the atom? | Electromagnetic radiation
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| The study of stationary electric charges | Electrostatics
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| The velocity of x-ray photons | Speed of light or 3x10^8
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| The only difference between x-rays and gamma rays is this | Their origin
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| This causes electrons to move in a conductor | Potential difference (voltage)
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| Has the ability to block magnetic fields | Nothing
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| What is the unit of electrical power | Watts
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| What law states that the resistance in a circuit is equal to the voltage divided by the current? | Ohmz Law
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| The lowest energy range of the electromagnetic spectrum | Radiowaves
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| EM radiation is measured using what term | Hertz
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| Gamma rays are produced in the ____ of the atom | Nucleus
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| The energy of a photon is directly proportional to its | Frequency
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| The unit of electric potential | Volt
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| The flow of electrons in a conductor | Current
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| Electrons that flow in only one direction represents this condition | Direct current (DC)
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| The smallest quantity of any type of electromagnetic energy | Photon
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| What is the equation for the velocity of all electromagnetic radiation? | 3x10^8 ms
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| What are the three wave parameters needed to describe electromagnetic energy? | velocity, frequency, and wavelength
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| Materials that are weakly repelled by either magnetic pole. | Diamagnetic
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| Adding an iron core to a magnetic field will do this | Induce or intensify the magnetic field
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| The unit of measure for magnet field strength | Telsa
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| Transformers operate on this type of current? | Alternating current
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| What is the potential difference in terms of x-ray control panel | kVp
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| This does not covert one form of energy to another but changes electrical potential and current into higher and lower intensity | A Transformer
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| The most efficient type of transformer | Shell type
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| The flow of electrons in a conductor | Current
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| Electrons can flow through or on one of these | Conductors
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| The Ampere is also known as this | Current
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| V = IR | OHMz Law
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| Plastic, Rubber and Glass are types of | Insulators
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| These materials posses the ability to conduct and insulate | Semi conductors
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| Material used, the length, the cross-sectional diameter and temperature | What are the factors affecting resistance?
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| Device used to convert electrical energy into mechanical energy | What is a motor
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| A step up transformer will do this | increase voltage and decrease current
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| According to Ohm’s law, what would the voltage be if the resistance is 8 ohm and the current is 16 ampere | 128
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| According to Ohm’s law, what would the resistance be if the voltage is 220 volt and the current is 30 ampere | 7
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| 5 ohm, 6 ohm and 4 ohm resistors connected in series would result in a total resistance of how many ohms | 15
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| A step-up transformer works on this principle | Mutual induction
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| AC or DC will cause inductance | AC
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| Electromagnetic induction requires a conductor and this | a changing magnetic field
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| Another name for magnetic lines | Flux lines
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| This is present around all electrical currents | A magnetic field
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| According to the right hand thumb rule, which direction would the magnetic field be if the current is moving toward you | Counter clockwise
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| Parallel resistors of 2 ohm, 6 ohm, and 7 ohm would result in a total resistance of how many ohm | 1.23 Ohm
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| Based on electrostatics and potential difference, electron flow means electrons do this | Flow from negative to positive
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| Electrons move from areas of _______ to _____ concentration. | Highest and lowest
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| Friction, Contact and Induction are methods of this term | Electrification
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| Process of charging an object by adding or subtracting electrons | Electrification
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| Study of fixed electric charges or charges at rest | Electrostatics
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| Study of fixed electric charges or charges at rest | Silver Au
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| The measurement of electromotive force (EMF), ie. Pushing | Volt
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| This type of material is weakly repel by a magnetic field | Diamagnetic
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| These three things affect differential absorption | Atomic #, mass density of tissue and x-ray energy (kVp)?
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| Characteristic x-rays, an ionized atom and a photoelectron are by products of this | photoelectric absorption
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