An electromotive force will be induced D. The conductor will stop moving immediately 相关知识点: 试题来源: 解析 C。解析:根据电磁感应原理,当导体在磁场中运动时,会产生感应电动势。A选项,不仅仅是产生静电场;B选项,磁场不会消失;D选项,导体不会立即停止运动。反馈 收藏 ...
When a magnet is moved near a coil of wire, an electric current is induced in the wire. This is based on which physical principle? A. Ohm's law B. Faraday's law of electromagnetic induction C. Newton's second law D. Archimedes' principle 相关知识点: ...
36 The diagram shows a copper wire XY connected to a resistor.The wire is moved in the magnetic field between the poles of a magnet.There is an induced current in the wire from X to Y.In which labelled direction is the wire moving? D XB Ac NS DY 相关知识点: 试题来源: 解析 D...
When a magnet is moved in and out of a coil of wire, an electric current is _. A. always zero B. sometimes produced C. never produced D. produced 相关知识点: 试题来源: 解析 D。解析:当磁铁在线圈中进出运动时,会产生电流,这就是电磁感应现象,所以A、B、C选项错误。反馈 收藏 ...
物理关于电动势的,磁场内移动为了不误导,我直接给出英文的原文A 0.2m wire is moved parallel to a 0.500T magnetic fiel
Move the carton into or near the equipment room before unpacking (if space is sufficient). Moving an unpacked device over a long distance may damage the device. If the device is found eroded or damped, stop unpacking, check for the reason, and contact the equipment supplier. Tools Flat-head...
Click the button on-screen to acknowledge that the spindle is now running. Then it will start moving! Hooray! The initial speed may be alarming, but as long as you have set up the design and stock correctly, it will stop injustthe right place to start the first cut. ...
Read the following passage carefully and choose the correct onefrom the two choices given to fill in each blank.The other night as I walked ___(from\onto) the garage,a portly man wearing a stocking cap ___(exited\emerged)from a bush and aimed a pistol berween my eyes.As I set down...
文“Ithaslongbeenknownthatultraviolet(UV)lightcandestroymicrobessuchasbacteriaandviruses. (人们早就知道,紫外线(UV)光可以破坏细菌和病毒等微生物。)”和“6,thereisatypesofUVC light,knownasfar-UVC.whichdoesnotpassthroughtheouterlayerofcells.(有一种UVC光,称为远 UVC,它不能穿过细胞外层。)”可以推测出,...
a希望你尽快回电 Hoped you wire back as soon as possible [translate] aattorney in fact of 正在翻译,请等待... [translate] a終端機 Terminal machine[translate] a不不,我的英文不是很好 My English is not very good[translate] aAs long as you still are having the same beliefs, you cannot grow...