Assertion: wave's frequency | /r/HasProperty | applied to the electromagnet
Facets:
Source sentences:
text: When the unknown frequency is applied to the electromagnet, the reed which is resonant at that frequency will vibrate with large amplitude, visible next to the scale.
text: When the unknown frequency is applied to the electromagnet, the reed which is resonant at that frequency will vibrate with large amplitude, visible next to the scale.