6. An instrument is rated at 250 W if it is connected across a 120-V dc power supply.
(a) What...
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Physics, 06.05.2020 08:43 jiboyajordan2069
6. An instrument is rated at 250 W if it is connected across a 120-V dc power supply.
(a) What current does it draw under normal operation?
(b) What is its resistance?
(c) How many kilowatt-hours does it use in a day if it is left on all the time?
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