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5_student_KCL_current_measurement

5_student_KCL_current_measurement - Ω-current measurement...

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Examining Currents Through Parallel Resistors ENGR 120 Work in Teams of Two!

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Select Resistors Find the 220 and the 470 resistors from your Boe-Bot kit. Example: 470 resistor: 4 = yellow 7 = violet Add 1 zero to 47 to make 470, so 1 = brown Now, find the 220 resistor. So, 470 = yellow , violet , brown
I Build the Parallel Circuit Below (measure the total current from the power source) Vin=6V 470 220 + - - - + + current measurement Compute the current after you make your measurement. How close are the measured and computed results? current flow current flow

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Build the Parallel Circuit Below (measure the current through the 220 resistor) Compute the current after you make your measurement. How close are the measured and computed results?

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Unformatted text preview: Ω +---current measurement current flow Modify the Parallel Circuit as Shown (measure the current through the 470 Ω resistor) Compute the current after you make your measurement. How close are the measured and computed results? current flow Vin=6V 470 Ω 220 Ω +---current measurement Check for Conservation of Charge ~ ~ Kirchoff’s Current Law (KCL) – The algebraic sum of currents entering a node is zero. Current In = Current Out Vin=6V 470 Ω 220 Ω +---I = I = more current goes through smaller resistor Electrons are like people – they follow the path of least resistance. The End...
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5_student_KCL_current_measurement - Ω-current measurement...

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