Question

RC Circuits and Time Constants Physics Laboratory 202/212 , capacitor discharges through a resistor, the voltage across the resistor is a at the beginning of the process b. near the middle of the process c. at the end of the process d. after one time constant 2 When a capacitor discharges through a resistor, the current in the circuit is a minimum a. at the beginning of the process b. near the middle of the process c. at the end of the process d. after one time constant 3. Another way to describe the discharge time of an RC circuit is to use a time interval called the half-life, which is defined as the time for the capacitor to lose half its initial charge. Is the time constant longer or shorter than the half-life? Explain your reasoning Does charging a capacitor in an RC circuit to 25% its maximum value take longer or shorter than one time constant? Explain. 4 5. A capacitor and a resistor are connected through a switch to an emf. At the instant just after the switch is closed a. the current in the circuit is zero.

Answer 1

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