William Spann - Calculating Ohm's Law practice (google sheet) _SELF GRADING_

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Harvard University *

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Electrical Engineering

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Apr 3, 2024

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xlsx

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Nice job, you're done! Nice job, you're done! Calculating Voltage, Current, and Resistance 11 Nice job, you're done! units Question 1 I= 62.5 Amps V= 125.0 Volts R= 2.0 Ohms Formula to use: I=V/R units Question 2 I= 40.0 Amps V= 20.0 Volts R= 0.5 Ohms Formula to use: I=V/R units Question 3 I= 45.0 Amps V= 1800.0 Volts R= 40.0 Ohms Formula to use: R=V/I units Question 4 I= 50.0 Amps Formula to use: V= 200.0 Volts R= 4.0 Ohms V=I*R units Question 5 I= 20.0 Amps V= 50.0 Volts R= 2.5 Ohms Formula to use: I=V/R units Question 6 I= 6.5 Amps Formula to use: V= 19.5 Volts R= 3.0 Ohms V=I*R units Question 7 I= 6.0 Amps V= 12.0 Volts R= 2.0 Ohms Formula to use: R=V/I units Question 8 I= 4.0 Amps V= 240.0 Volts decimals at the tenths place (use 1 decimal). When all entries are GREEN, you are done. Don't use spaces when entering values. How much current flows through a 125 V battery that has a resistance of 2 Ohms? Calculate the current an electric dryer draws when it is connected to a 20 V source that has a Resistance of 0.5 Ohms. What is the resistance in a circuit if a potential difference of 1800 V causes a current of 45 A? What is the potential difference (voltage) across a hand-held fan that has a resistance of 4.0 Ohms and a current of 50 A? How much current flows through a 50 V battery with a resistance of 2.5 Ohms? A heating coil offers a resistance of 3.0 Ohms. What potential difference (voltage) is required so that 6.5 A of current pass through it? How much resistance does a heavy duty flashlight have if it has a current of 6 A flowing through it and is being powered by a 12 V battery? What is the current a toaster draws when it is connected to a 240
R= 60.0 Ohms Formula to use: I=V/R units Question 9 I= 20.0 Amps V= 10000.0 Volts R= 500.0 Ohms Formula to use: V=I*R units Question 10 I= 5.0 Amps V= 200.0 Volts R= 40.0 Ohms Formula to use: R=V/I units Question 11 I= 6.0 Amps Formula to use: V= 30.0 Volts R= 5.0 Ohms I=V/R Nice job, you're done! What is the current a toaster draws when it is connected to a 240 V source and has a resistance of 60 Ohms? What is the potential difference across a cell phone that has a resistance of 500 Ohms and a current of 20 Amps flowing through it? An electric microwave draws its power from a 200 V power source with a current of 5 A. What is the resistance? What is the current a refrigerator draws when it is connected to a 30 Volt power source with a resistance of 5 Ohms?
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