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RAD106StackExam2
| Question | Answer |
|---|---|
| Visible light is identified by __________ and x-rays are identified by ___________. | wavelength; energy |
| At a given velocity, wavelength and frequency are _____________ proportional. | inversely |
| __________ is one half the range from crest to valley over which the sine wave varies. | Amplitude |
| Structures that absorb x-rays are ______________ and structures that transmit x-rays are __________. | radiopaque; radiolucent |
| The energy of a photon is ________________ proportional to its frequency. | directly |
| An x-ray photon is a quantum of __________ energy. | electromagnetic |
| The smallest quantity of any type of electromagnetic radiation is a(n) ________ | photon |
| The autotransformer has one winding and varies with ________ and __________. | voltage; current |
| What type of material can be made magnetic when placed in an external magnetic field? | Ferromagnetic |
| Like magnetic poles ________ and unlike magnetic poles ________. | repel; attract |
| The magnetic intensity of an electromagnet is greatly increased by the addition of a(n) __________ core. | iron |
| Electrostatics is the study of __________ electric charges. | stationary |
| A conductor is any substance through which electrons _____ flow while an insulator is any material that _____ allow electron flow. | easily; does not |
| A _________ is a source of direct current. | battery |
| When a group of dipoles are aligned, they create _________________. | a magnetic domain |
| Alternating current is produced by a ___________. | generator |
Created by:
JacobNiccoli