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Unformatted text preview: The time constant RC has the components R in ohms (volts over coulomb per second ) and C in Farad (coulomb/volt). Multiplying the two units gives volts*second*coulomb/coulomb*volt = seconds 4. Explain conceptually why the time constant is larger for increased resistance. A larger resistance increases the time it takes for a capacitor to charge. A resistor represents an area of potential drop in a circuit, with a larger resistance equating to a greater drop in potential. This resultant potential drop allows less of a charge to be exerted on the capacitor plates and therefore the capacitor will take a longer time to charge. 5. What does an oscilloscope measure? Oscilloscopes measure the voltages in a circuit and how they vary over time....
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This note was uploaded on 11/27/2011 for the course PHYS 105 taught by Professor Walker during the Fall '08 term at UNC.
- Fall '08