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Thus a 100 mm diameter voice coil, with a 12 mm winding height has similar power handling to a 50 mm diameter voice coil with a 24 mm winding height. In 'underhung' voice coil designs (see below), the coil is shorter than the magnetic gap, a topology that provides consistent electromotive force over a limited range of motion, known as X max.
The cost of offshore has historically been higher than that of onshore, [5] but costs decreased to $78/MWh in 2019. [6] Offshore wind power in Europe became price-competitive with conventional power sources in 2017. [7] Offshore wind generation grew at over 30 percent per year in the 2010s.
The dwarf seahorse (Hippocampus zosterae) is a species of seahorse found in the subtidal aquatic beds of the Bahamas and parts of the United States. It is threatened by habitat loss . According to Guinness World Records , it is the slowest-moving fish, with a top speed of about 5 feet (1.5 m) per hour.