| 单词 | step-up transformer |
| 例句 | A step-up transformer is one that increases voltage, whereas a step-down transformer decreases voltage. College Physics for AP Courses 2015-08-12T00:00:00Z It was attached to a step-up transformer that converted the current to 230 volts. Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas 2011-01-01T03:00:23.470Z The induction coil, therefore, serves the double purpose of a step-up transformer to limit line losses and a device for vastly increasing the range of change in the transmitter circuit. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Divested of nearly all technical phrases, an induction coil may be briefly described as a step-up transformer of small capacity. The Boy Mechanic: Volume 1 700 Things for Boys to Do The current is derived directly from the engine, and the remaining things needed are a small step-up transformer, a key and a few other small parts. Tom Swift and His Wireless Message: or, the castaways of Earthquake island An ideal step-up transformer with turn ratio 1:30 is supplied with an input power of 120 W. If the output voltage is 210 V, calculate the output power and input current. College Physics for AP Courses 2015-08-12T00:00:00Z |
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