Discussion
A part draws 5 mA running and 2 \( \mu \)A in sleep, and is awake 1 per cent of the time. The average current is about
Answer: B
One per cent of five milliamperes is fifty microamperes, and the sleep current adds very nearly another two, giving fifty-two. Note that the sleep term matters once the duty cycle falls below about a tenth of a per cent.
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