(SOLVED) For how long can an Energizer 522 9-V battery operate such a relay? Assume a battery capacity of 500 mAh.
Discipline: Physics
Type of Paper: Question-Answer
Academic Level: Undergrad. (yrs 3-4)
Paper Format: APA
Pages: 1
Words: 275
Question
A certain relay draws 200 mA with 9 V applied.
For how long can an Energizer 522 9-V battery operate such a relay? Assume a battery capacity of 500 mAh.
What is a good estimate of the coil's resistance?
Expert Answer
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