In the circuit on the figure below, R1 = 4.5 Ω, R2 = 7.3 Ω, R3 = 3.2 Ω, R4 = 9.6 Ω, R5 = 5.8 Ω and V1 = 10.4 V. If current through point A is 7.0 A and through R4 is 2.6 A, what is the magnitude of potential due to battery V2?

What possible changes can be made to the circuit so that the capacitor will charge faster to its maximum voltage value?

Four capacitors are arranged in the circuit shown in the figure. The capacitors have the values C C3 = 50.5 µF, and C4 = 40.5 µF, and the power supply is at v V = 22.5 V. = 24.5 µF, C2 = 45.5 µF, What is the equivalent capacitance of the circuit? C, V equivalent capacitance: µF C, What is the charge on capacitor C2? charge on C2: x100 C What is the potential difference across capacitor C3?

A 36 V battery is connected to a network of resistors with R1 = 45 Ω, R2 = 36 Ω, and R3 = 108 Ω. What is the potential difference across R3? (in V) (a) 54.0 V (b) 13.5 V(c) 27.0 V(d) 36.0 V

What is the time constant for charging this capacitor? Incorrect 4S

1. A battery with no internal resistance is connected to five identical light bulbs, A, B, C, D, and E as shown in the figure. The potential difference between the terminals of the battery is V and the resistance of each bulb is R. a) What is the current through the bulb C in terms of V and R? Option 5 Option 1 V R 1 V 16 R Option 2 Option 4 E 1 V 8 R B 1 V 2 R

Two capacitors C₁ = 40 µF and C₂ = 20 µF and two resistors R₁ = 80 ≤ and R₂ = 55 ≤ are connected to a 3-V battery as shown in the figure below. What is the potential difference between points a and b? R₁ R₂ а mina ^^^ HI C₁ b V HE €₂ The potential difference, V₁-Vb = Units Select an answer ✓

For the circuit shown in the drawing l₁ = 3.5 A and R₁ = 12 2 and battery voltage V₁ = 55 V. Determine the Current /passing through the 6.000 resistor. R₁ www 1₁ 6.00 Ω #H V₁ O 2 A 3 A 24.0 V 3.66 A 5.5 A 6 A #H 10 A I www 2.00 Ω 3.5 A 4.5 A

In the circuit shown in the figure the switch has been closed for a long time so that the capacitor is fully charged. At t=0 the switch is opened. Write an expression for the charge on the capacitor as a function of time. 12.0 kN 10.0 µF 9.00 V Ro = 15.0 kN 3.00 kN Select one: а. Q%3D 101С(1 — е 4/0.03) O b. Q = 50µCe-t/0.18 O c. 12μC(1-ε 4015) Q = 90µC(1 – e t/0.15) Q = 90µCe t/0.15 Q = 15µC(1 – e t/0.18) Q = 10µCe t/0.15 O h. Q = 90µCe t/0.03

- In the circuit, the potential difference across the battery is 18 V. V1 is 7.0 V and R2 = 30.0 Ω.a) Calculate the values of R1, V2, and the current through the circuit. (b) How long will it take for 12 C of charge to pass through the circuit?