Synthetic teaching scenario
A Pi 5 supply recommendation
The 27 W supply has a documented 5.1 V / 5 A profile. The peripheral allowance and actual equipment remain separate checks.
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Change what the number means.
Six teaching examples illustrate source scope, current limits and information-only references. All actual model, condition and cable observations start unknown.
Synthetic teaching scenario
60 W does not establish 5 A
A Pi 5 recommendation beside a 60 W, 3 A cable: the current conflict is visible even though the wattage headline is larger.
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A Mac and iPhone share one source
A named Mac setup remains unassessed on the 35 W source, while the iPhone goal exceeds its 17.5 W documented share. Neither number is measured consumption.
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A named MacBook Air setup
The 70 W Apple source is a listed example for the M4 Air. It is not normalized as every charger’s universal minimum.
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An included adapter is information, not demand
The US iPad package’s 20 W adapter is shown without becoming a numerical target.
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Do not invent a Steam Deck voltage
The OLED supply description is 45 W PD 3.0. An exact voltage/current pair remains unknown.
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