Assertion: frequency | /r/HasProperty | measure
Facets:
Source sentences:
text: Voltage is an electrical physical quantity, while frequency is a measure of how often something occurs in a given unit of time.
text: Some other things that have a frequency that can be measured include radio and TV waves, which are often measured in kilohertz (which stands for 1,000 cycles per second) or megahertz (which stands for 1 million cycles per second).