Assertion: oscilloscope's voltage | /r/HasProperty | applied to the y-plates
Facets:
Source sentences:
text: When a positive voltage or potential difference is applied to the Y-plates, the electrons in the beam will experience a force acting upwards causing the electron beam to deflect upwards.
text: When a negative voltage is applied to the Y-plates, the electron beam deflects downwards.
text: voltage is applied to the Y-plates, the electron beam deflects up and down.