A microwave oven generates its radiation via a magnetron which is based on a resonant cavity. Unless the cavity has been damaged in some way, there is not really any way for it to change its output frequency .13 Eki 2020
A microwave oven generates its radiation via a magnetron which is based on a resonant cavity. Unless the cavity has been damaged in some way, there is not really any way for it to change its output frequency .13 Eki 2020