Gamma rays from a nuclear explosion produce high-energy electrons through Compton scattering. These electrons are captured in the earth’s magnetic field, at altitudes between 20 and 40 km, where they resonate. The oscillating electric current produces a coherent electromagnetic pulse (EMP) that last...
On top of that, the field generated by an alternating current interacts with the ground more strongly than it does with the air. 高空架线的话,由交流电产生的电磁场与地面的感应要比空中的电场交互作用强大得多。 article.yeeyan.org 2. Such a simple generator as we have been describing produces ...
If a current changing from 0 to I amperes, produces a flux change from 0 to Φ webers, then ΔI = I and ΔΦ = Φ. Then, from para 13, induced emf E=NΦt=LIt, from which inductance of coil,L=NΦI henrys. 15 From para 23, page 86, reluctance S=mmffLux=NIΦ from which ...
Why is an energy source needed in order to have a working electric circuit? What is a device that produces AC electricity? Why does our power grid use AC electricity? What is the type of biasing required for transistor to conduct?
Environmental Benefits: It produces zero emissions while driving, resulting in cleaner air. Strong Performance: Instant torque allows for fast acceleration and a sporty driving feel. Advanced Technology: EVs are packed with high-tech features and futuristic styling inside and out. Quiet Operation:...
Electric arc spraying in which a current is passed between two electrode wires which produces an arc to melt the electrode wires and the melted wire is sprayed onto the surface to be coated with the aid of a transport gas. The voltage between the wires is at least 20% less than the conv...
It has a wide range of applications in analogue circuits and signal processing. In the circuit diagram below, when the switch is closed, an electromotive force from a generator produces a voltageE(t)Volts(V).An electric currentI(t)...
When under pressure, ___ will produces an electric current.A.alternatorB.glass thermometerC.burdon tubeD.piezoelectric pressure transducer的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转
but it also causes more rapid fatigue. Application of NMES at an optimal frequency results in an optimal physiologic response (the desired contraction) while minimizing fatigue. In a healthy uninjured individual, a maximal voluntary muscle contraction produces a greater torque (more powerful contraction...
Building a Gas Turbine We have already discussed turbo compressors and expansion turbines. A gas turbine is a combination of these components, plus a combustor that produces the hot gas for expansion. Fig. 6.1.4 presents these facts. Sign in to download full-size image Figure 6.1.4. Building...