= 22.0 V. First, the In the figure R₁ = 10.4 kQ, R2 = 14.1 kQ, C = 0.402 μF, and the ideal battery has emf 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 = 4.50 ms? &. R₂ R₁
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- a)What is the current through R1 immediately after the switch S is closed? b) What is the current through R2 after the switch S has been closed for a very long time? Assume that the battery does not go dead.5.0 k2 and R2 =10.0 k2, along 4. In the circuit shown, there are two resistors, with R1 with a capacitor, with C=15.0 µF, initially uncharged, parallel to the second resistor. The battery supplies a voltage of &=30.0 V. The switch is closed at t= 0. (a) At that instant, what is the current in each resistor? What are the final (b) currents and (c) charge on the capcitor when the switch has been closed for a long time? (d) When the switch is re-opened, what is the time-constant for the discharging capacitor? R CThe emfs in the figure below are &₁ = 5.00 V and E2 = 18.0 V. The resistances are R₁ when the switch is in the following states. (a) open I1 = 0.188 I2 = 0.188 I3 = 0.188 14 = 0 I1 (b) closed R4 = I₂ = I3 = 14 A A A A A A X www R₁ R₂ ww R3 + E2 0.8285 Your response differs from the correct answer by more than 100%. A .106 Your response differs from the correct answer by more than 100%. A 18.00, R₂ = 30.5 , R3 = 47.50, and R4 58.0 . Find the magnitude of the current in each resistor
- Q.6: Given R1=15N, R2=102, R3=222 and R4=152, find the current flowing through resistance R4. R2 R1 T 8.0V Ra R3 Vo S 12.0V V = k U = k. n.n qi9 j Liki rij Ceg = YN Gi - N 1A capacitor charging circuit consists of a battery, an uncharged 20 μF capacitor, and a 4.0 kΩ resistor. At t = 0 s, the switch is closed; 0.15 s later, the current is 0.46 mA. What is the battery’s emf?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 toaster oven is rated at 1900 WW for operation at 120 VV, 60 HzHz. Part A What is the resistance of the oven heater element? Express your answer with the appropriate units. Part B What is the peak current through it? Express your answer with the appropriate units. Part C What is the peak power dissipated by the oven? Express your answer with the appropriate units.In the circuit below, it is known that R1 = 10 kΩ, R2 = 15 kΩ, and C = 0.4 μF, and a battery with an Emf of 20 Volts. Initially, the connector (switch) is connected for a long time until it reaches a steady state. Then the switch is disconnected/opened at t = 0. What is the current flowing in resistor 2 at t = 4 ms?Please explain why.
- What is the maximum power in W that can be generated from an 18 V emf using any combination of a 6.0 Q resistor, and 9.0 Q resistor?A capacitor of capacitance C = 1 μF has been charged so that the potential difference between its plates is V0 = 295 V. The capacitor is then connected to a resistor of resistance R = 11.5 kΩ. The switch S is closed, and the capacitor begins to discharge. Calculate the time T in s after which the charge on the capacitor has decreased to one fourth its maximum value.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 C