The average value of a double-frequency sinusoid, sin 2 (wt + 6), is given by (a) 1 (b) & (c) Zero
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- A circuit branch is found to have an equivalent impedance of Z=120−j45Ω. It is given that this impedance is a series combination of a 120Ω resistor and another passive component. If the circuit has a sinusoidal voltage source whose frequency is 120 Hz. What is the value of the component in series with the 120Ω resistor? (Note: Express the value assuming a metric scaling of μ(10-6). Provide your answer in decimal form, up to 3 decimal places.)assume that the voltage drop across the resistor, ER, is 78v, that the voltage drop across the inductor, EL is 104v and the circuit has a toatl impedance Z of 20 ohmas. the frequency of the ac voltage is 60HZ,The feeder is to be used with an antenna for which an inductive reactance is measured as j60 Ohms at 1.7 MHz. The resistive part of the antenna’s impedance is measured as 80 Ohms. Using the online impedance matching calculator, design a suitable impedance-matching network for each of the two cables if the coaxial cable has a characteristic impedance of 75 Ohms and the twin lead cable has a characteristic impedance of 300 Ohms, so that the inductance is in the longitudinal branch, while the capacitor is in the transversal branch of the impedance matching network. Do not round the resulting values.
- A SERIES RC CIRCUIT TAKES A CURRENT WHOSE EQUATION Is 2 sin (754t+40) AMPERE. WHEN CONNECTED TO A SOURCE OF EMF HAVING THE EQUATION e = 340sin 754 VOLTS. CALCULATE, (A) THE VALUE OF Z, R, AND XC, (B) CAPACITANCE, AND (C) AVERAGE POWER.The root mean square (or RMS) is anothermeasure of average value, often used with oscillating functions(for example, sine and cosine functions that describe the current,voltage, or power in an alternating circuit). The RMS of a function ƒ on the interval [0, T] isCompute the RMS of ƒ(t)= A sin(Ѡt), where A and v arepositive constants and T is any integer multiple of the period ofƒ, which is 2∏/Ѡ.If the values of real power and reactive power is specified for a bus, then it is called as PQ bus. Select one: True False
- An example power system has two distinct manufacturing areas, one with harmonic loads, and another with only linear loads. The portion of the system with the harmonic loads draws 75 A rms at 60 Hz, 10 A rms at 300 Hz, and 5 A rms at 420 Hz. The part of the system with only linear loads draws 75 A rms at 60 Hz. (i) What is the total load current (at 60 Hz) if both manufacturing plants are running? Calculate the THD. (ii) What is the total load current (at 60 Hz) if only the manufacturing plant with harmonic loads is running? Calculate the THD.Q6: An AC source operating at 60 Hz with a maximum voltage of 170 V is fed to a series combination of1.2kΩ resistor and 2.5μF capacitor connected in a timer circuit. How can you evaluate the maximumcurrent in the circuit? Can you estimate the rms value potential difference across each circuit element?Compare the power factor of this timer circuit with a circuit contain only ohmic resistance. Justify youranswer?the average power of a load is 3.37 kW with a leading power factor of 0.835. the magnitude of the rms voltage accross the load is given by |Vrms| = 450 V. If the frequency is assumed to be 60 Hz, calculate the apparent power, reactive power, impendance and the value of the capacitor in the circuit.
- DISCRETE TIME GIVEN SYSTEM.Determine the poles and zeros of this system, and show how they relate to each other.The system is only marginally stable True False Find the frequency response of this system. ( NEED NEAT HANDWRITTEN SOLUTION ONLY OTHERWISE DOWNVOTE).An audio power amplifier delivers a 30 volt RMS 1 kHz sine to a loudspeaker. If the loudspeaker impedance at this frequency is 7 at 45°, determine the RMS current delivered to the load and the true power.Given a sinusoidal voltage source in series with R,L, and C. The sinusoidal frequency is 600 Hz. R=2 Ohms, L=5 milliHenry, C=200 microFarad, V=70sin(wt) volts. Determine the watts and VARs for the capacitor, resistor, inductor, and source. Also find power factor. Given R1=9 Ohms, R2=1 Ohms, L= 3 milliHenries, and a sinusoidal voltage source of 5 volts amplitude and 60 Hz freqency all in series. Determine the voltage across R1: magnitude (volts), frequency (Hz), and phase (degrees).