1. The duration of a photographic flash is related to an RC time constant, which is 0.103 μs for a certain camera. If the resistance of the flash lamp is 0.0364 Ω during discharge, what is the size of the capacitor, in microfarads, supplying its energy?
2.
Use the circuit above and Kirchhoff's Rules to determine the current through the R3 resistor. Assume the following details: E1 = 19.81 V, E2 = 44.64 V, r1 = 0.25, r2 = 0.4, R1 = 7.4, R2 = 2.2, R3 = 1.8. Be sure to give a positive value.
3. A 571 Ω resistor, an uncharged 1.58 μF capacitor, and a 5.13 V emf are connected in series. What is the initial current in milliamps?
4. A 594 Ω resistor, an uncharged 1.3 μF capacitor, and a 6.53 V emf are connected in series. What is the current in milliamps after one time constant?
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1. The duration of a photographic flash is related to an RC time constant, which is...
An uncharged capacitor and a resistor are connected in series to a source of EMF. If ε = 5.13 V, C = 18.6 μF, and R = 106 Ω, calculate the time constant τ of the circuit. Calculate the maximum charge on the capacitor.
A 353-Ω resistor, an uncharged 4.94-μF capacitor, and a 16.9-V emf are connected in series. What is the current, in mA, after three time constants is flowing through the resistor? Do not enter units with answer.
A 709-Ω resistor, an uncharged 2.13-μF capacitor, and a 17.4-V emf are connected in series. How long, in ms, after the circuit is connected does the current in the resistor fall by 63.2% of its initial value? Do not enter units with answer.
A 520-Ω resistor, an uncharged 1.51-μF capacitor, and a 6.18 V emf are connected in series. a) What is the initial current? 11.88mA b) What is the RC time constant? 7.9⋅10−4 s c) What is the current after one time constant? in mA d) What is the voltage on the capacitor after one time constant? in V
A R = 711 Ω resistor, an uncharged C = 185 μF capacitor, and a ε = 6.64 V emf are connected in series. A) What is the initial current in amps? B) What is the RC time constant in seconds? C) What is the current after one time constant in amps? D) What is the voltage on the capacitor after one time constant in volts?
An uncharged capacitor and a resistor are connected in series to a source of emf. If 12.0 v, c 19.0 μF, and R = 100 Ω, find the following. a) (3 points) the time constant of the circuit b) (2 points) the maximum charge on the capacitor c) (3 points) the charge on the capacitor at a time equal to one time constant after the battery is 7. connected. d) (2 points) the current at t = 2 s.
Motes Ask Your Teacher 10. 0/12 points| Previous Ansiwers PSEB 2B.AF.a4 Active Figure 28.4 Resistors Connected in Series The animation below shows a circuit diagram for two resistors connected in series acrass a battery Instructions Use the sliders to adjust the resistances and battery voltage and observe the effect on the current and voltages across each resistor. Explore In the animation, the two resistors are connected directly to the battery, so they both share a portion of the battery voltage...
1. A capacitor of 30.0 ?F and a resistor of 80.0 Ω are quickly connected in series to a battery of 5.00 V. What is the charge ? on the capacitor 0.00100 s after the connection is made? 2. Find the equivalent resistance of the combination of resistors R1=42.0 Ω , R2=75.0 Ω , R3=33.0 Ω , R4=61.0 Ω , R5=13.5 Ω , and R6=23.0 Ω , as shown in the figure.
Consider the circuit shown in the figure(Figure 1). Suppose the
four resistors in this circuit have the values R1 = 10 Ω , R2 = 6.6
Ω , R3 = 6.1 Ω , and R4 = 14 Ω , and that the emf of the battery is
E = 18 V .Find the current through each resistor using the rules for
series and parallel resistors.Find the current through each resistor using Kirchhoff's
rules.