At its highest temperature, a space heater has a resistance of 23.5 Ω when it is plugged into a wall outlet that supplies a peak voltage of 162.6 V sinusoidally at 60 Hz . What is the average power output ?⎯⎯⎯⎯ of the space heater?
At its highest temperature, a space heater has a resistance of 23.5 Ω when it is...
t its highest temperature, a space heater has a resistance of 23.5 Ω when it is plugged into a wall outlet that supplies a peak voltage of 162.6 V sinusoidally at 60 Hz . What is the average power output
At its highest temperature, a space heater has a resistance of 21.5 Ω when it is plugged into a wall outlet that supplies a peak voltage of 169.7 V sinusoidally at 60 Hz . What is the average power output ?⎯⎯⎯⎯ of the space heater?
A 430-W space heater is designed for operation in Germany, where household electric outlets supply 230 V (rms) service. What is the power output of the heater when plugged into a 120-V (rms) outlet in a house in the United States? Ignore the effects of temperature on the heater's resistance.
The tungsten filament of an incandescent lamp has a resistance of 200 Ohms at room temperature. A) What would the resistance be at an operating temperature of 1600 C? B) Assuming it is plugged into a 120-V outlet, what is its power output when just starting up? C) By how much does its power output change from the room temperature value when it is at its operating temperature?
The heating element in an iron has a resistance of 24 Ω. The iron is plugged into a 120 V outlet. What is the power dissipated by the iron?
An electric heater has a Nichrome heating element with a resistance of 7 Ω at 20oC. When 118 V are applied, the electric current heats the Nichrome wire to 980oC. What is the operating wattage of this heater? (The temperature coefficient of resistivity of Nichrome is α = 0.0004 Co-1)
5. An electric heater has a Nichrome heating element with a resistance of 9 Ω at 20°C. When l 16 V are applied, the electric current heats the Nichrome wire to 1060 C What is the operating wattage of this heater? The temperature coefficient of resistivity of Nichrome is α-0.0004 C Watts
Part A : The resistance of an electric heater is 90 Ω when connected to 120 V. How much energy does it use during 15 min of operation? (answer in J) Part B : The lightbulb used in a computer projector has a resistance of 71 Ω. What is the current through the bulb when it is operating on 120 V? ( answer in A )
Q1: What is the effective resistance (in Ω) of a car's starter motor when 142 A flows through it as the car battery applies 10.7 V to the motor? Q2: The cord from an appliance is too short to reach the wall outlet in your room. You have two extension cords to choose from. (a) Find the voltage drop in the first extension cord having a 0.0440 Ω resistance and through which 7.60 A is flowing. V (b) The second...
A carbon heater element has fixed resistance of 28 Ohms. It is connected to an A/C source with Peak Voltage value of 133 Volts. What is the Average Power consumed by the element, in Watts?