efficiency: a quantitative measure of a system’s ability to convert electrical energy into useful energy of another kind 效率:将电能转换为另一种有用能量的系统能力的一种量度。 Examples: What is the efficiency of an electric heating pad? A perfect system has an efficiency of 100%. The ratio ...
A car at the top of a hill has potential energy, because it has the potential (or ability) to roll down the hill in future. When it's rolling down the hill, its potential energy is gradually converted into kinetic energy (the energy something has because it's moving). You can read ...
As a unit of measurement for electrical power, VA represents how much energy a device consumes or how muchcurrentit draws from the electrical circuit. In electrical circuits, power is measured in volts (V), as well as in amperes (A). A volt is the unit of electric potential difference. ...
Electrostatic Potential Energy:The energy possessed by a charged body due to its position in the electric field of another body is called electrostatic potential energy. The electrostatic potential energy of the two-particle system is given by ...
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The electric dipole polarizability has been determined in a unique way. Binary complexes of argon with transition metal cations have been studied by optical spectroscopy. The vibrational structure of electronic transitions near the dissociation limit of the upper state quantifies the forces between the...
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Amps and Watts are not the same, becausecharge is not energy.Huh? It's because Amps are a measure of the flow rate of charge, while Watts are a measure of the flow rate of energy. Amps and Watts are both flow rates, but they measure two different things which are flowing. ...
Does the cross-sectional area of the beam affect the experiment? Experimentally, how did they measure the amount of ejected electrons? Did they simply divided the total number of ejected electrons by the area (that encompasses the outcoming electrons)? EDIT I guess the ...
Improved Upper Limit to the Electric Dipole Moment of the Neutron A neutron-beam magnetic-resonance experiment has been used to measure the electric dipole moment μof the neutron. Although the results for μdiffer from z... JK Baird,PD Miller,WB Dress,... - 《Physical Review》 被引量: ...