Let V' = 6V , and assume all the resistors are identical. Determine the potential difference Va – Vb. O 3V O 4V/3 O 2V O 6V

If you wish to take a picture of a bullet travelling at v, then a very brief flash of light produced by an RC discharge through a flash tube can limit blurring. Assume a distance d of motion during one RC constant is the most the bullet can move without blurring and that the flash tube is driven by a capacitor of capacitance C. What is the maximum possible resistance of the flash tube if it can take unblurred photos of the bullet? O Cv/d O Cd/v d/Cv O dv/C O Cvd

Consider the circuits shown below: a V = 102 V battery is connected to R, = 40 0, R2 = 15 N, R3 = 45 0, and R4 = 15 0. For the left-side circuit, what is the potential difference between points a and b? R, R, ww- R, R2 ww- wwww R3 www R4 b R3 R4 V V The potential difference, Vab = -2.32 X Units V For the right-side circuit, what is the current between points a and b? The current, Iab =| 3.50 X Units A

R1 R2 2. Two ideal batteries are placed in the configuration as above. Battery one has the potential E = 100 V and battery two has the potential Ez = 25 V while the resistances are given as R1 = 2N and R2 = 0.52. Find the potential at point Q if the potential at P is 50 V.