April 28, at 4: Leaks of classified information alleging Russian intentions to help elect candidate Trump increased dramatically after the election day-November 8, …had not acknowledged any attempt by Moscow to influence the election in favor of candidate Trump…four days later on December 9…The Washington Post reported that the CIA concluded a new assessment that Russia intervened in the U.
Measuring Potential Difference and Current The goal of this lab is to 1 learn how to set up a circuit. Create a circuit consisting of three resistors in series.
For this circuit you will: Measure the voltage across all three reisistors Mesure the current through all three resistors Measure the voltage across each individual resistor still in the circuit Measure the current through each individual resistor still in the circuit The above are necessary to calculate the resistance.
After you make these measurements, you should compare your measurements to what the calculated values should be. How do you set up the circuits? This can be tricky - for in the text, they show a series circuit that looks like this: But how do you transform this into a real circuit?
You will have three resistors mounted on a board, so as an example you would set this up to look something like this: Also, note that this is not the only possible path for the wires, there are many "equivalent" set ups. Measuring the potential difference V To measure the potential difference, you need to do the following: Make sure that the multimeter is set to V - for potential difference.
This is because the multimeter can measure several things. Have your "probe wires" plugged into the correct plugs. When you measure potential difference, you need to put the two probes "across" whatever you want to measure.
This being the case, you acutally do not have to take apart your circuit, but rather just add the probes. If you wanted to measure the potential difference across the top resistor in the picture above, your setup would be like this: Measuring the current through a resistor: Make sure the multimeter is set to the mA setting for milli-amps Your wires need to plugged into the black common and the mA plugs.
When you measure the current, you have to make sure that the multimeter itself is in series with what you want to measure not across like in potential difference.
To measure the current, you have to take apart your circuit and insert the multimeter into it. To measure the current through the top resistor, you would have to set up your multimeter as such:National Impact Assessment of the Centers for Medicare & Medicaid Services (CMS) Quality Measures Report.
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