Consider the AC voltage shown below. vz (t) = 2 * cos (50nt + Specify the period of the voltage in units of milliseconds. DO NOT ENTER UNITS IN THE ANSWER BOX BELOW.
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A: The voltage across an element is given as v (t) = 50 cos (6ft + 28.3°) And current through the…
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A: Here, The coil inductance = 1 H voltage expression e = 100sin20t
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Q: True
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Q: Given the circuit shown below, if Zx = 100/0º determine the current in each branch a) Nodal Method…
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Q: For the AC supply having current expression (i 10 sin ( 157t +30° )) find the following ? 2. Angular…
A: I= 10sin(157t + 30°) I= Imsin(wt + €) Im = peak current or maximum current W= angular velocity € =…
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Q: The voltage applied to a coil having R-2002 ohm, L-638 mH is represented by e=20 sin 100 ? t. Find a…
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Q: The voltage (in Volts) across an element is given as v(t) = 50 cos (6ft + 10.2°) whereas the current…
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- electric units a & b are connected in parallel and its rms current is 15A. If the current in b lags behind a by pi/3 rads and the current is 23.4 A. find the current in b and sketch the equivalent circuit diagram4. An aluminum conductor having a cross-sectional area of 1843 MCM is used to transmit power from a high-voltage dc (HVDC) generating station to a large urban center. If the city is 900 km from the generating station, determine the resistance of the conductor at a temperature of 20oC. (Use 1 ft = 0.3048 m.) *Round off to 4 decimal digits.The voltage applied to a coil having R-2002 ohm, L-638 mH is represented by e=20 sin 100 ? t. Find a corresponding expression for the current and calculate the average value of the power taken by the coil.
- A Parallel wire line has its radius of the conductor is 0.4 mm and the distance between the conductors is 0.4 inches. Compute for the characteristic impedance of the line. AnswerA high-voltage direct-current generating station delivers power to a city. The generator output voltage is V0 = 400 kV, the city is represented by resistance RL = 3918 ohms, and each wire of the transmission line round-trip between the station and city is represented by resistance RTL = 151 ohms. How much power (in mega watt) is lost along the transmission wire?For the circuit shown , what value of ZL results in maximum average power transfer to ZL? What is the maximum power in milliwatts?
- If the rms phasor of a voltage is given by V=12060 volts, then the corresponding v(t) is given by (a) 1202cos(t+60) (b) 120cos(t+60) (c) 1202sin(t+60)Derive the expression for power developed due to wind energyThe current in a given conductor is represented by the geometric sum of two currents whose equation are i1 = 30 sin 377t and i2 = 25 cos 377t. What is the rms value of the current in the conductor?
- a) Explain why root mean square (RMS) is used to quantify the strength of an AC signal. b) If SI units are Meter (m), Kilogram (kg), Second (s), Ampere (A), Kelvin (K), Mole (M) and Candela (C), then express Voltage, Resistance, Capacitance, Inductance, Power and Energy in terms of SI units.Last summer, a Meralco electrician conducts a record of the electrical voltage supply readings within 5 hours at Cavite City. (See the table below) 1. Represent a graph showing the voltage readings as y-values and the time as x-values. 2. Is the graph continuous or not?CITE SOME OF THE REQUIREMENTS TO FEED THIS GENERATEDELECTRICITY TO THE TRANSMISSION LINES.