The unit of self inductance of a coil is View Solution Self inductance of a coil is independent of View Solution The coefficient of self inductance of a coil is View Solution A solenoid having 500 turns and length 2 m has radius of 2 cm , the self inductance of solenoid View Solution ...
[translate] aThe heat source was a 10 cm long 500 watt cylindrical electric cartridge heater, which was inserted into a tight-fitting hole drilled along the long axis of the bus bar. 热源是10 cm长的500瓦特圆柱形电弹药筒加热器,被插入入沿长轴操练的一个紧身孔母线。 [translate] ...
Set up a single coil of radius R= 50.0 cm, consisting of 15 turns and carrying a current of 1.50 A. Bxo - 2.8272 x 10-5 T ftesta) (b) (i) For the same single coil set-up as in (a), measure the value of Bx at the centre ...
一铁环中心线的半径R=20cm,横截面是边长为4.0cm的正方形。环上绕有500匝表面绝缘的导线。导线中载有电流1.0A,这时铁的磁导率μ=400。 求通过环的横截面的磁通量; 如果在这环上锯开一个宽为1.0mm的空气隙,求这时通过环的横截面的磁通量的减少。相关知识点: ...
质量分别为1kg、2kg、3kg的木块a、b、c与两个原长均为10cm、劲度系数均为500N/m的相同轻弹簧p、q用轻绳连接如图所示,其中a放在光滑水平桌面上。开始时p弹簧处于原长,木块都处于静止。现用水平力缓慢地向左拉p弹簧的左端,直到c木块刚好离开水平地面为止,取g=10m/s^2。求: 相关知识点: 力学 相互作用 三种...
42mm X 128mm PARKER radius block 41346 parker 40-tlg. Schnellsteckkupplung Kupplung Schnellkupplung Parker 60 Series Snap-tite 400 +/- 7180-502 Parker 1/2" THORO-SPRAY 800 PSI Liquid Fertilizer Spray Hose 40" Parker 406XR Precision Linear Ballscrew Actuator 700mm Stroke - THK CNC DIY 4 ...
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如图所示,小明正在做俯卧撑,把他的身体看作一个杠杆,O为支点,A为重心,他的体重为500N.如小明1min内做30个俯卧撑,每做一次,肩部上升的高度是40cm.求:(1)地面对手的支持力F的
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