A 4-w night-light is plugge into a 120-v circuit and


A 4-W night-light is plugge into a 120-V circuit and operatescontinuously for 1 year. Find the following:

a) the current it draws,

b) the resistance of its filament,

c) the energy consumed in a year, and

d) the cost of its operation for a year at the utility rate of15 cents/kWh.

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Physics: A 4-w night-light is plugge into a 120-v circuit and
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