The current in a refrigerator with a resistance of 12 Ω is 13 A (when the refrigerator is on). What is the power delivered to the refrigerator?
Answer to relevant QuestionsShow that the quantity volts squared per ohm (V2/Ω)has SI units of power. An electric toy with a resistance of is operated by a 3.00-V battery. (a) What current does the toy draw? (b) Assuming that the battery delivers a steady current for its lifetime of 4.00 h, how much charge passed through ...A wire 5.0 m long and 3.0 mm in diameter has a resistance of 100 Ω. A 15-V potential difference is applied across the wire. Find (a) The current in the wire, (b) The resistivity of its material, and (c) The rate at ...To empty a flooded basement, a water pump must do work (lift the water) at a rate of 2.00 kW. If the pump is wired to a 240-V source and is 84% efficient, (a) How much current does it draw and (b) What is its resistance? A computer CD-ROM drive that operates on 120 V is rated at 40 W when it is operating. (a) How much current does the drive draw? (b) What is the drive’s resistance? (c) How much energy (in kWh) does this drive use per ...
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