Example 21-13 depicts the following scenario. In the circuit shown in the sketch below, the emf of the battery is 12.0 V, and each resistor has a resistance of 200.0 2 Now we will consider some slightly different related scenarios to Example 21-13. ▼ Part A R₂ ww R₂ www Refer back to Example 21-13. Suppose the three resistors in the circuit have the values R₁ = 100 2, R₂ = 260 2, and Rs = 450 , and that the emf of the battery is 18.0 V. Find the potential difference across each resistor. Enter your answers numerically separated by commas.

In the circuit shown below, the capacitor is initially uncharged. What is the current long after closing the switch? 12 V Ozero ○ 1200 mA ○ 1.2 A ○ 1.2 mA ww 10 ΚΩ 100 μF

Problem 2: In the circuit below, AV bat = 10 V and C₁ = C₂ = C3 = C4 = C5 = 10 μF. a) What is Ceq? Answer: 16 μF. b) What is Q₁, Q2, Q3, Q4, Q5? Answers: Q₁ = 100µC, Q₂ = 20µC, Q3 = 20μµC, Q4 = 40μC, Qs = 60μC. c) What is AV₁, AV2, AV3, AV4, AV5? Answers: AV₁ = 10 V, AV₂ = 2 V, AV3 = 2 V, AV4 = 4 V, AV5 = 6 V. AV bat C₂

Grass grows densely everywhere on a 0.300 acre plot of land. What is the approximate number of blades of grass on this plot of land? Suppose each blade occupies 1/10 in2 of area. (1 acre = 43 560 ft2.) With Significant Figures considered.

Item 15 Now we will consider some slightly different related scenarios to Example 21-18. Part A Example 21-18 depicts the following scenario. A circuit consists of a resistor R₁ = 126-, a resistor R₂ = 275-, a capacitor C = 182-μF, a switch, and an € = 3.00-V battery all connected in series. Initially the capacitor is uncharged and the switch is open. At time t=0 the switch is closed. increase decrease stay the same 3.00 V Suppose the resistance of the 126-2 resistor is reduced by a factor of 2. Assume everything else in the problem remains the same. Does the final value of the charge on the capacitor increase, decrease, or stay the same? Submit Request Answer ww 126 Ω 182 μF HH 275 Ω < 15 of 15 Review

In the circuit below R1 = 10 ohms, R2 = 20 ohms, R3 C2 = 10 microF, C3 = 10 microF and V= 100 volts. c) When the circuit is at 80% 10 ohms, C1 = 10 microF, %3D %3D of its max charge (previous question), What will the current out of the battery at that point in time? (mA) R1 R2 -R3 V C1 C2 C3 WW

Problem 4: A circuit consisting of 5 resistors is shown in the graph. Their resistances are R,-16 Ω, R,-85 Ω, R,-810, R4-69 Ω, and R5-34 Ω, and the emf of the battery is 3.5 V. Suppose the internal resistance of the battery is zero Part (a) Express the equivalent resistance of the combination of R2, R3, and R4. Part (b) Express the total resistance of the circuit R in terms of R/, R2, R3, R4. and R Part(c) Calculate the numerical value of the total resistance R in Ω Part (d) Express the current I through Rj in terms of the emf e and the equivalent resistance R Part (e) Calculate the numerical value of I in A a Part (f) Express the power P dissipated by R/ through I and R) Part (g) Calculate the numerical value of the power P in W. cos(0 tan() sin HOME cotanO asin acos ) sinh0 4 5 6 atan()acotan( cosh cotanhO O Degrees Radians BACKSPACE CLEAR