A 100-V light bulb takes 0.9-A current and operates 12 h/day. At the rate of 7 cents/kWh, determine the cost to operate the bulb for 30 days.
Added by Brian J.
Step 1
9 A, we can use the formula P = V * I to calculate the power consumption. P = 100 V * 0.9 A P = 90 W Show more…
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