In the figure shown, the total resistance is 15.0 kΩ and the fem of the battery is 24.0 V. the time constant is measured at 24.0 µs calculate a) the total capacitance of the circuit and b) the time it takes the voltage through the resistor to reach 16.0 V after the switch is closed.

What is the electrical potential difference between point A and B in the electric circuit below? V = 24 V, R1 = 20 Ω, R2 = 32 Ω, R3 = 44 Ω.

When switch S in (Figure 1) is open, the voltmeter V of the battery reads 3.13 V. When the switch is closed, the voltmeter reading drops to 2.93 V, and the ammeter A reads 1.69 A. Assume that the two meters are ideal, so they don't affect the circuit. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of A source with a short circuit. Figure S V r E -ww+ R A 1 of 1 Find the emf. Express your answer in volts. E = Submit Part B r = Find the internal resistance r of the battery. Express your answer in ohms. Submit Part C Π| ΑΣΦ Request Answer R= | ΑΣΦ Request Answer Find the resis ance R. Express your answer in ohms. IVE| ΑΣΦ ? ? ? V Ω Ω

The Q vs t graph shown below is for the capacitor of an RC circuit. Q (C) 8 6. 4. 2. O 6. t(s) 10 20 30 40 50 60 70 80 90 100 4. Second graph The Q vs t graph shown below is for the capacitor of an RC circuit. Q (C) 8 2 2 3 4 Determine the time constant of the RC circuit. t(s) T= If C = 4 F, determine R. R = Ω In this case, was the capacitor charging or discharging? --Select- Determine the time constant of the RC circuit. T= If R = 102, determine C. C = In this case, was the capacitor charging or discharging? -Select- + #

Problem 5: A current of I- 2.6 A passes through the circuit shown, where R- 65 3R 5R V) 2R 6R 2R 7R 5R 10R Otheexpertta.com Part (a) In terms of R, I, and numeric values, write an expression for the voltage of the · source, V. Part (b) What is the voltage, V in volts? tan( sin() cotanO a acos cosh0t cosO asin() acotan 4 5 6 sinh() cotanhO *1 23 0 tanh0c O Degrees O Radians CLEAR BACKSPACE

Consider an initially uncharged capacitor in an RC circuit. The resistance is 25,957 Ohms and the capacitance is 555 x 10^-6 F. If the source potential being used to charge the capacitor is 14.8 V, how long after charging begins will the energy stored by the capacitor be 65.5% of its maximum value.

In the circuit shown in the figure, the S switch closed at t=0 and the capacitors, which are completely empty, begin to fill. Here ε=10 V, C=5 μF and R=55 Ω. What is the time constant of the circuit, τ, in units of microseconds? When t= τ, what is the total charge, in units of microcoulomb, accumulated in the capacitors?

Consider the circuit shown in the figure. A short time after closing the switch, the charge on the capacitor is 90.0% of its initial charge. Assume the circuit has a time constant of 17.7 s. +Q (a) Calculate the time interval required (in s) for the capacitor to reach this charge. (b) If R = 220 k2, what is the value of C (in uF)? µF Need Help? Read It

Consider the circuit shown in the figure. A short time after closing the switch, the charge on the capacitor is 90.0% of its initial charge. Assume the circuit has a time constant of 17.7 s. +Q C Fe (a) Calculate the time interval required (in s) for the capacitor to reach this charge. (b) If R = 220 k2, what is the value of C (in µF)? µF RI