The RC charging circuit in a camera flash unit has a voltage source of 255 V and a capacitance of 116 µF. HINT (a) Find its resistance R (in ohms) if the capacitor charges to 90.0% of its final value in 16.2 s. Ω (b) Find the average current (in A) delivered to the flash bulb if the capacitor discharges 90.0% of its full charge in 1.34 ms. A

How long (in s) will it take an RC circuit made with a 50 O resistor and a 20 mF capacitor to lose half its initial charge? Give your answer as only the numerical value in the SI units specified. e is interpreted as x10^ for use with large or small values; 1.01e2 is interpreted as 1.01 x 102.

In an RC circuit, what is the value of the ratio V. /E when the current in the circuit reaches 13.95% of its peak value? V. = voltage across the capacitor and E = emf of the %3D power source. Express your result as a percentage with 2 decimal places (i.e if the result is 76.14 % write 76.14 without the % sign and not 0.7614)

An RC circuit has an unknown resistance and an initially uncharged capacitor of 631 x 10-6  F. When connected to a source potential, it takes the capacitor 27.6 s to become 80.1 % fully charged. What is the resistance of the circuit? Enter a number rounded to the nearest 100 place.

Using your data, answer the following questions: a. To three decimal places, what fraction of the total charge does a capacitor in an RC circuit have after charging for 4.15 time constants; the fraction f such that q(4.15t) = fQmax

A RC circuit is constructed with a (initially uncharged) 5.00-µF capacitor and a 5.00- ohm resistor, which are connected in series to an ideal battery with emf 60.0 V. At a certain time after the circuit is connected, it is found that heat is being produced in the resistor at a rate of 300 W. How much energy is stored in the capacitor at that time (in Joules)? O None of these 1.8x104 1.13x10-3 3.75x10-3 9x10-3

Based on the plot, what is the most probable value of the capacitance of the capacitor in the circuit (in µF) A. 10 B. 50 C. 25 D. 70 E. 140

A 6.50 μF capacitor that is initially uncharged is connected in series with a 4300 resistor and a 507 V emf source with negligible internal resistance. Just after the circuit is completed, what is the voltage drop across the capacitor? Express your answer in volts. ΠΑΣ Vc = Submit ▾ Part B VR = Submit Just after the circuit is completed, what is the voltage drop across the resistor? Express your answer in volts. IΫΠΙΑΣΦ ▾ Part C Qo= Submit ▾ Part D IR= Submit ▾ Part E Just after the circuit is completed, what is the charge on the capacitor? Express your answer in coulombs. [Π]ΑΣΦ + Vc, VR= Submit ▾ Part F + Request Answer Q= Submit • ▾ Part G Request Answer Just after the circuit is completed, what is the current through the resistor? Express your answer in amperes. ΠΠ ΑΣΦ IR = Request Answer ← Request Answer ¹ [? → A long time after the circuit is completed (after many time constants), what are the voltage drop across the capacitor and across the resistor? Express your answers in…

A 6.00 μF capacitor that is initially uncharged is connected in series with a 4600 resistor and a 507 V emf source with negligible internal resistance. Part A Just after the circuit is completed, what is the voltage drop across the capacitor? Express your answer in volts. 195| ΑΣΦ Vc = Submit Part B VR = Submit Just after the circuit is completed, what is the voltage drop across the resistor? Express your answer in volts. Part C Request Answer 20 = Submit VO ΑΣΦ | Request Answer V ? Just after the circuit is completed, what is the charge on the capacitor? Express your answer in coulombs. ΑΣΦ Request Answer ? V ? V C Review | Constants

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