单词 | moving-coil voltmeter |
释义 | moving-coil voltmeter [`müv·iŋ ¦kȯil `vōlt´med·ǝr] ENGINEERING A voltmeter in which the current, produced when the voltage to be measured is applied across a known resistance, is sent through coils pivoted in the magnetic field of permanent magnets, and the resulting torque on the coils is balanced by control springs so that the deflection of a pointer attached to the coils is proportional to the current. |
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