| 单词 | moving-iron voltmeter |
| 释义 | moving-iron voltmeter [`müv·iŋ ¦ī·ǝrn `vōlt´mēd·ǝr] ENGINEERING A voltmeter in which a field coil is connected to the voltage to be measured through a series resistor; current in the coil causes two vanes, one fixed and one attached to the shaft carrying the pointer, to be similarly magnetized; the resulting torque on the shaft is balanced by control springs. |
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