Task: Using the given charge and discharge values at these discrete points in time, construct two plots of Voltage (Ve) vs. Time (t) for charging and discharging of the capacitor. ID: Name of Student: 3.1 RC Circuit The objective of this part is to study the charging and discharging of a capacitor by measuring the potential difference (voltage) across the capacitor as a function of time. The students will also measure the experimental time constant and use it to determine the experimental value of the capacitance of the capacitor. Table 1. Voltage-Time Table for Charging Capacitor Time t(s) Potential Diffèrence V(t) Time t(s) Potential Diffèrence V(t) Ov 40 1.328 V 5 50 0.332 V 1.386 V 10 | 60 0.638 V 1.422 V 15 70 0.861 V 1.437 V 20 1.017 V 80 1.448 V 25 90 1.131 V 1.458 V Task: Using your collected Voltage-Time data for discharging, calculate time constant t. Show the formulations and data pair you used in the calculation. If the resistance is given to be equal to R=15k2, calculate the value of capacitance from t. 30 |100 1.220 V 1.458 V Table 2. Voltage-Time table for Discharging Capacitor Your Answer: Time t(s) Potential Difference V(t) Time t(s) Potential Difference V(t) 1.479 V 40 0.119 V 5 50 1.136 V 0.057 V 10 60 0.830 V 0.026 V 15 0.602 V 70 0.005 V Task: What possible changes can be made to the circuit so that the capacitor will charge faster to its maximum voltage value? 20 80 0.441 V 0.002 V 25 90 0.317 V 0.001 V Your Answer: 30 0.228 V 100 0.001 V
Task: Using the given charge and discharge values at these discrete points in time, construct two plots of Voltage (Ve) vs. Time (t) for charging and discharging of the capacitor. ID: Name of Student: 3.1 RC Circuit The objective of this part is to study the charging and discharging of a capacitor by measuring the potential difference (voltage) across the capacitor as a function of time. The students will also measure the experimental time constant and use it to determine the experimental value of the capacitance of the capacitor. Table 1. Voltage-Time Table for Charging Capacitor Time t(s) Potential Diffèrence V(t) Time t(s) Potential Diffèrence V(t) Ov 40 1.328 V 5 50 0.332 V 1.386 V 10 | 60 0.638 V 1.422 V 15 70 0.861 V 1.437 V 20 1.017 V 80 1.448 V 25 90 1.131 V 1.458 V Task: Using your collected Voltage-Time data for discharging, calculate time constant t. Show the formulations and data pair you used in the calculation. If the resistance is given to be equal to R=15k2, calculate the value of capacitance from t. 30 |100 1.220 V 1.458 V Table 2. Voltage-Time table for Discharging Capacitor Your Answer: Time t(s) Potential Difference V(t) Time t(s) Potential Difference V(t) 1.479 V 40 0.119 V 5 50 1.136 V 0.057 V 10 60 0.830 V 0.026 V 15 0.602 V 70 0.005 V Task: What possible changes can be made to the circuit so that the capacitor will charge faster to its maximum voltage value? 20 80 0.441 V 0.002 V 25 90 0.317 V 0.001 V Your Answer: 30 0.228 V 100 0.001 V
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter19: Capacitors
Section: Chapter Questions
Problem 4RQ: 4. In what form is the energy of a capacitor stored?
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