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- The motor in a toy car operates on 6.00 V, developing a 4.70 V back emf at normal speed. If it draws 3.00 A at normal speed, what current (in A) does it draw when starting? ____________ AThe figure shows an LR circuit with L = 0.15 H, R = 25 Ω, and Vo = 36 V. The switch is initially open. Eight milliseconds (t = 8 ms) after the switch is closed, what is the current in the circuit and the potential difference between points a and b, Vab ?I need help with E, F, G, and H.
- I need help with E, F, G, and H.In the figure R1 = 10.7 kΩ, R2 = 14.7 kΩ, C = 0.405 μF, and the ideal battery has emf ε = 25.0 V. First, the switch is closed a long time so that the steady state is reached. Then the switch is opened at time t = 0. What is the current in resistor 2 at t = 3.80 ms?A galvanometer has a coil resistance of Rgaly I = 2.55 A. If the galvanometer deflects full scale for a current of Igalv 45.2 Q. It is to be made into an ammeter with a full-scale deflection equal to 175 mA, what size shunt resistor should be used? size of shunt resistor: Ω
- In the figure R₁ = 9.42 kQ, R₂ = 15.7 kQ, C = 0.439 µF, and the ideal battery has emf & = 18.0 V. First, the switch is closed a long time so that the steady state is reached. Then the switch is opened at time t = 0. What is the current in resistor 2 at t = 4.10 ms? Number Units R₁ R₂ CIn the double-loop diagram, V = 3_volts and R = 280_N. Find the currents I,,I2, and I3. Only two out of three of the currents are graded. %3D %3D 8 V 75 L 130 2 V I2 13 3 V 55L mit 15. 1 D. -0.02828 A А. -0.02979_A -0.02546 A B. E. -0.03149_A -0.03258 A F. С. -0.02678 A |--/ 16. I2 D. 0.003681 A 0.003458 A 0.003954 A 0.003308 A А. Е. В. 0.003814 A F. С. 0.003135 A |--/