Magnetism
Atoms
Transformers
Circuits
Electricity
100
Electromagnetic induction is the process of causing an electric current to flow in a conductor when it is placed in the ___________ ___________ of another conductor.
What is magnetic field.
100
What is the removal of an electron from an atom called?
What is ionization.
100
The first component to receive power in the x-ray circuit is the _____.
What is autotransformer.
100
With half-wave rectification, the current flows through the x-ray tube during the _____ part of the cycle.
What is positive.
100
A charged particle in motion creates a(n) _____.
What is magnetic field.
200
Self induction is used in the operation of what device in the x-ray system?
What is autotransformer.
200
Energy is measured in _____.
What is joules and electron volts.
200
The transformer used to boost voltage to kilovoltage levels is called a(an):
What is a step up transformer.
200
A single-phase waveform has _____ ripple.
What is 100%
200
What is the unit of electric potential?
What is volt.
300
If the wavelength of a beam of electromagnetic radiation increases by a factor of 2, then its frequency must _____.
What is decrease by half.
300
A positively charged nucleus surrounded by negatively charged electrons in well-defined orbits is the _____ model of the atom.
What is Bohr.
300
A step down transformer ______________ current.
What is decreases.
300
The x-ray generator with the lowest power rating is the _____ imaging system.
What is single phase.
300
On the surface of an electrified object, the charges concentrate _____.
What is sharpest curvature.
400
What is the electromagnetic wave equation?
What is c=frequency Xwavelength.
400
When an atom has the same number of protons as another, but a different number of neutrons, it is called an _____.
What is isotope.
400
A step-down transformer is located in the _____ circuit.
What is filament.
400
High frequency cricuits first change the input frequency from 60 Hz to a higher frequency using a voltage ______________.
What is inverter.
400
Electrostatic force is _____ proportional to the distance between charges, and _____ proportional to the product of the charges.
What is inversely and directly.
500
The rotation of electrons on their axis is the property called _____.
What is electron spin.
500
The maximum number of electrons that can exist in an electron shell is calculated with the formula _____.
What is 2n squared.
500
The step-up transformer increases voltage _____ times.
What is 500-1000.
500
Rectifiers are sometimes called ______________ because they have to electrodes.
What is diodes.
500
What is Ohm’s Law?
What is I=VR