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- A 20.0 HZ, 16.0 V source produces a 2.00 mA current when connected to a capacitor. What is the capacitance?What is peak power consumption rate of a 100.0-W AC light bulb?A circuit consists of a 40 Ω resistor and a690 mH inductor connected in series to a 14 Vbattery. What is the value of the current when thecurrent is increasing at the rate of 7 A/s?Answer in units of A
- One application of an RL circuit is the generation of time-varying high voltage from a low-voltage source (ℰ = 11.0 V), as shown in the figure below.A 20.0 Hz, 16.0 V source produces a 2.00 mA current when connected to a capacitor. What is the capacitance?A 20.5 Hz, 17.5 V source produces a 1.8 mA current when connected to a capacitor. What is the capacitance in μF? = 20.5 HzV = 17.5 VI = 1.8 mA
- If an AC sinusoidal voltage with a peak value of 141 VP was connected across an incandescent light bulb and a DC voltage of 141 Vdc was connected across another identical light bulb, which bulb would appear to be brighter (or would they be the same brightness)? EXPLAIN.What is the peak current through a 1200 W microwave oven operating at 120-V AC?You are working as a demonstration assistant for a physicsprofessor. He shows you the circuit in Figure P31.14, whichhe wants you to build for an upcoming class. The lightbulbis a household incandescent bulb that receives energy at therate of 40.0 W when operating at 120 V. It has a resistanceR1, which, for simplicity, we will assume is constant at alloperating voltages. The battery in the circuit has an emf of12.0 V. When the switch has been closed for a long time, thebulb glows dimly, since it is powered by only 12.0 V. Whenthe switch is opened, however, the bulb flashes brightly andthen gradually dims to darkness. Your professor wants youto determine two values: (a) the resistance R2 that is necessaryfor the bulb to initially flash, when the switch is opened,at the same brightness it would have if plugged into a 120-Vsocket; (b) the inductance L necessary to keep the currentin the lightbulb above 50.0% of its value when the switchis opened, for a time interval of 2.00 s after it is…
- To get the maximum current, the connection should be in parallel. If you create a parallel connection with 30V DC source and three resistors with R1 = 50Ω, R2 = 75Ω, and R3 = 100Ω, how do you calculate for the total current (IT) and the current flowing in each resistor (I1, I2, I3), and the total voltage (VT) and the voltage across each resistor (V1, V2, V3)? How do you also determine the power dissipated by each resistor (P1, P2, P3) and by the whole circuit (PT)??A 250-Ω resistor is connected across an ac voltage source V = (150 V) sin [2π(60 Hz)t]. What is the average power (in W) delivered to this circuit? I answered 90 but it was wrong.What is the applied voltage for a series RLC circuit when IT = 3 mA, VL = 30 V, VC = 18 V, and R = 1000 ohms? * A. 3.00 V B. 12.37 V C. 34.98 V D. 48.00 V