How much resistance will there be in that wire to supply your 80-amp, 220-volt outlet? 2.75 ohms. Makes doing your physics homework easier, huh?

有多少抵抗将在该线提供您80安培，220伏的电源插座？ 2.75欧姆。使你的物理功课做更容易，是吧？

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The device includes a built-in 2.5-volt amp, more than twice as powerful as the typical phone.

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The mariner uses a 250 watt free-spinning motor mounted in the front wheel for propulsion and high capacity 36 volt 9 amp hour advanced lithium battery (LiFEPO4) which provide a smooth, powered ride on flat and hilly terrain.

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