Consider the circuit fragment below: A ell 200 0 100 mH The current through this branch increases uniformly from i 0Aat time t-0 to I- 2.0 A at time t-5.0 ms. At time t- 2.5 ms, what is the magnitude of the potential difference between points A and B? O440 V 480 V 360 V 240 V 160 V B

= 10 Q, and V = 19 volts. %3D In the circuit below, R1 = 9 N, R2 = 5 N, R3 %3D R1 V R2 R3 (a) Find the current passing through R1 . A I1 %3D (b) Find the potential difference across R3 V V3 %3D (c) Find the power delivered to R2 W P2

1. Solve for the current in each resistor. R2 MM 24Ω R1 M 50 E=80V R5 M 302 R3 R4 ww 150 R6 M 1002 6Ω

2.00 N 10.00V00 a ww In the circuit shown in the figure, find a) the current flowing through points a and b and through the 10N resistor and b) the potential difference Vab of point a relative to point b. 1.00 N 5.00 V 4.00 N 10.00 N

Switch S1 has been closed and S2 has open for a long time until the capacitors are fully charged. At t=0, S1 is opened and S2 is closed. If E=12V, C₁=4mF and C₂=8mF, R₁-3.22k0 and R₂-1.22 k0; what is the current passing through R₂ at t=0 in units of mA? Please express your answer using two decimal places. & R₁ www Answer: S₁ HH C₂ C₁. a b I S₂ R₂