此外,另一位作者hoyumi也提到
英文報導 其實有幾個月了
U.S. fast-food chains cut discounts, push pricy meals post-pandemic
NEW YORK, June 22 (Reuters) - Restaurant chains including McDonald’s CorpMCD.N)nd KFCYUM.N)re paring back $5-and-...
280 kHz full power bandwidth at 20 V p-p
20 V/μs slew rate
Excellent dc precision
80 μV maximum input offset voltage
1.0 μV/°C VOS drift
Specified for ±5 V and ±15 V power supplies
High output drive current
Wendy's current menu includes items that are higher priced than its standard burgers, like its Spicy Pretzel Bacon Pub – a fried chicken fillet on a pretzel bun topped with pickles, fried onions, bacon
The phenomenon of eddy currents was discovered by French physicist Leon Foucault in 1851, and for this reason eddy currents are sometimes called Foucault ...
eddy current, in electricity, motion of electric charge induced entirely within a conducting material by a varying electric or magnetic field or by ...
What are Eddy Currents? ... When a good electrical conductor (like copper or aluminum) is exposed to a changing magnetic field, a current is induced in the metal, ...
Eddy currents are loops of electrical current induced within conductors by a changing magnetic field in the conductor according to Faraday's law of induction.
Eddy currents (also called Foucault's currents) are loops of electrical current induced within conductors by a changing magnetic field in the conductor ...