单词 | soft-iron ammeter |
释义 | soft-iron ammeter [`sȯft ¦ī·ǝrn `am´ēd·ǝr] ENGINEERING An ammeter in which current in a coil causes two pieces of magnetic material within the coil, one fixed and one attached to a pointer, to become similarly magnetized and to repel each other, moving the pointer; used for alternating-current measurement. |
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