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A 400 W toaster is connected to a 220V outlet. What is the measure of resistance in the toaster?
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- The heating element of a hair dryer dissipates 1500 W when connected to a 120 V outlet. What is the resistance?In an old house, the wires leading to a 120 V outlet have a total resistance of 0.45 Ω . When you plug in a hair dryer, it draws a 10.0 A current. How much does the outlet voltage decrease due to the voltage drop across the wires? What is the power dissipated as heat in the wires?The following appliances are connected to a single 120 V, 15 A circuit in a kitchen: a 330 W blender, a 1000 W coffeepot, a 150 W coffee grinder, and a 750 W microwave oven. If these are all turned on at the same time, will they trip the circuit breaker?
- A 30 Ω toaster consumes 560 W of power; how much current is flowing through the toaster?the heating element on an electric heater dissipates 4.0 x 10^2 watts of power when connected to a 120 volt source. what is the electrical resistance of this heating element?A string of 26 identical Christmas tree lightsare connected in series to a 120 V source. Thestring dissipates 74 W.What is the resistance of a single light?Answer in units of Ω. What power is dissipated in a single light?Answer in units of W.
- A digital clock has a 1.2x10 4 resistor and is connected to a 115 V source. How much power does the clock use?The UL panel on the bottom of an electric toaster oven indicates that it operates at 1500 W on a 110 V circuit. Determine the electrical resistance of the toaster oven.When plugged into a 120 V standard outlet, a current of 2.0 A flows through a string of tree lights containing 50 indentical bulbs in series. What is the power dissipated in each bulb?
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