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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?
- 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 30 Ω toaster consumes 560 W of power; how much current is flowing through the toaster?A digital clock has a 1.2x10 4 resistor and is connected to a 115 V source. How much power does the clock use?
- 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?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.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.
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