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- For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature setting of ___________ F (_____________ C). Some states have laws stating a maximum temperature setting of ____________ F (________________ C).Three capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 - Hz power line. An ammeter indicates a circuit current of 8.6 amperes. How much current is flowing through the 40F capacitor?The rms input voltage to the circuit in Figure 3.20a is 120 V, 60 Hz. (a) If the dc output voltage is Vdc = 48 V at Idc = 20 A, determine the values of inductance Le, α, and Irms. (b)IfIdc = 15 A and Le 6.5 mH, use Table 3.6 to calculate the values of Vdc, α, β, and Irms.
- A 5-ohm resistor is connected in series with a 25 micro-farad capacitor. A source voltage of158 volts, 50 Hz supplies the combination. Determine the following:a. Circulating currentb. Voltage across the resistorc. Voltage across the capacitord. Real power supplied by the sourceA coil of inductance 1 henry and negligible resistance is connected in series with a capacitancr of 10^-6 farad and an emf E volts. Taking Q=I=O at time t=0, find th3 charge Q anf the current I when t= 0.001 see if (a) E= 100 volts, (b) E= 100sin500t, (c) E= 100sin1000tClear solutions pls. Thank you Given the following Resistances and Capacitors in Series and Voltage Source: R1 = 1 ohms R2 = 10 ohms C1 = 0.007 Farad C2 = 0.008 Farad Vs = 9 Volts Frequency = 6 Hz What is the Total Reactance in ohms?
- A 120 V, 60 Hz power source is connected across an 800 ohm resistance in series with an unknown capacitor. The voltage drop across the resistor is 102 V. Find the, a.) current of the circuit b.) impedance of the circuit c.) Capacitive reactance d.) capacitance value.An inductive coil and a non-inductive resistance R ohms are connected in series across an a.c. supply. Deriveexpressions for the power taken by the coil and its power factor in terms of the voltage across the coil, theresistance and the supply respectively. If R = 12 Ω and the three voltages are in order, 110 V, 180 V and 240 V,calculate the power and the power factor of the coil.An Impedance Coil has a resistance of 7.5 ohms and an inductive reactance of 18 ohms (connected in series). a) What is the voltage equation for a voltage that produces a current i = 11.3sinwt, b) Solve for the values of E, I, voltage across the resistor and voltage across the inductor.
- In the circuit below, if the inductance L is large enough to operate in continuous current mode. a) Draw the waveform of the output voltage and mains current for the 45 degree trigger angle when the switch S is in transmission. b) Average value of output DA voltage VDC1 when switch S is open, output DA when switch S is closed (in transmission) If the average value of the voltage is VDC2, calculate the value of VDC1 / VDC2. Lesson: power electronics please quickPt A. Find the equivalent capacitance with respect to the terminals a,b for the circuit shown. Suppose that C2 = 20 μF . Pt B. Determine the the initial voltage drop for the equivalent capacitance with respect to the terminals aa, bb for the circuit shownLenz stated, “A coil has an inductance of 1 _____ when a current change of 1 _____ per second results in an induced voltage of 1 _____.” Select one: a. ampere, volt, henry b. volt, henry, ampere c. henry, ampere, volt d. inductance, henry, volt