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Unformatted text preview: Picture 2 6. a) what would the NXT digital voltmeter read if Sensor 1 was on white and Sensor 2 was on black? b) If your digital voltmeter reads 4.23 V, what would the sensor orientation be? On White On Black Sensor 1 (R1) 5 kΩ 15 kΩ Sensor 2 (R2) 50 kΩ 150 kΩ ---------- Picture 4 4. a. Write Kirchhoff’s voltage law for the circuit, assuming that current Io flows right-to-left through the resistor. b. Solve to find Io, the current through the 10 k resistor. c. How much power is dissipated by the 10 k resistor? | | ⇓ O Picture 7 Picture 6 3. Consider the RCX circuit shown in the figure. a. What is the voltage Vo across the RCX terminals? b. How much current is supplied by the 5 V source? c. What resistor should be placed in parallel with the 20 k resistor so that the RCX voltage Vo would be 1 V? ------------- ...
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- Spring '10
- Resistor, Oscilloscope, Electrical resistance, Series and parallel circuits