What is the maximum current-carrying capacity of a wire or cable? A. Overcurrent B. Energy C. Ampacity D. Surge Current
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What is the maximum current-carrying capacity of a wire or cable?
A. Overcurrent
B. Energy
C. Ampacity
D. Surge Current
Explain why
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- please explain in detail how to arrive at these answers. I am not the best at using Kirchoff voltage law.An RLC series circuit connected to a 110 – volt and 50 – cycle AC source, contains the following series resistances and reactances: R1 = 10 ohm, R2 = 15, R3 = 5 ohms, XL1 = 20 ohms, XL2 = 25 ohms, XC = 40 ohms. Find the following: a.) EQUIVALENT REACTANCE b.) TOTAL IMPEDANCE c.) VOLTAGE DROP ACROSS THE CAPACITOR d.) TOTAL INDUCTANCE IN MILLIHENRY e.) TOTAL CURRENT f.) REACTIVE POWER g.) REAL POWER DRAW THE PHASOR DIAGRAM IF POSSIBLE AND ROUND OFF TO FOUR DECIMAL PLACES5. A 2-wire DC ring distributor is 375m long and is fed with 300V at point A. At point B, 200m from A, load of 150A is taken and at point C, 100m in the opposite direction, a load of 100A is taken. If the resistance per 100m of single conductor is 0.03, find: i. Current in each section of distributor ii. Voltage at points B and C iii. Point of minimum potential
- In a string of suspension insulator with three units, the line unit has 20kV and k=0.35. The voltage across tower unit is........ and across middle unit is.......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 sourceCombination circuit what is PT? RT? IT? Voltage Across each load?
- What is the main direct cause of reactive power in AC system?A. Resistance of transmission linesB. Inductance and capacitance in the loadsC. Ideal transformer connected in the systemD. Power produced by generatorDerive the formula and relation for voltage and current in a pure resistive- AC circuit and prove that in this type of circuit, the current and the voltage are always in phase.A series resistance – capacitance (R – C) circuit is connected to 230 – volt, 50 cycle AC source. The current through the resistor is 45.45 A and the power taken by the circuit is 5,000 watts. Compute the following: a.) VOLTAGE DROP ACROSS THE RESISTOR b.) POWER FACTOR ANGLE c.) CIRCUIT IMPEDANCE d.) OHMIC VALUE OF THE RESISTOR e.) CAPACITIVE REACTANCE f.) CAPACITANCE IN MICROFARAD g.) APPARARENT POWER PLS SOLVE ALL ROUND OFF TO FOUR DECIMAL PLACES solvE LETTER D, E F, AND G PLSS PLSS KINDLY SOLVE FAST
- A series resistance – capacitance (R – C) circuit is connected to 230 – volt, 50 cycle AC source. The current through the resistor is 45.45 A and the power taken by the circuit is 5,000 watts. Compute the following: a.) VOLTAGE DROP ACROSS THE RESISTOR b.) POWER FACTOR ANGLE c.) CIRCUIT IMPEDANCE d.) OHMIC VALUE OF THE RESISTOR e.) CAPACITIVE REACTANCE f.) CAPACITANCE IN MICROFARAD g.) APPARARENT POWER PLS SOLVE ALL ROUND OFF TO FOUR DECIMAL PLACES7. TY Hat CHICL Ans. 1. Iron los.........varies approximately as V². 2. Cu loss..........it also varies as ² but decreases with an increase in voltage if constant kVA output is assumed. 3. Efficiency...........for distribution transformers, efficiency at fractional loads decreases with in- crease in voltage while at full load or overload it increases with increase in voltage and vice- versa. 4. Regulation..........it varies as but decreases with increase in voltage if constant kVA output is assumed. 5. Heating.........for constant kVA output, iron temperatures increase whereas Cu temperatures decrease with increase in voltages and vice-versa. quemsQ2/3-phase.E.W.C. R using center tap transformer supplies highly inductive load, find: 1. The average load voltage with and without FWD and discusses these cases. 2-lf firing angle equal to 45°, the supply voltage is240v, transformer ratio is (2/1). Calculate the DC current& voltage of this case. 3- Draw all waveforms diagram. 4- what are the difference between the type of connection (Delta or Star).