Calculate the value of the power factor
A test on an 80 W fluorescent lamp circuit gave the ff. results when connected to a 50 Hz mains supply. Calculate the value of the power factor correction capacitor in microfarads (μF).
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How many moles of are in the tube of toothpaste? How many fluoride atoms are in the tube of toothpaste? How many grams of sodium ion are in 2.10 toothpaste? How many molecules of triclosan are in the tube of toothpaste?
A sample containing 0.175 g of cl- is dissolved in 50 ml of deionized h2o. The solution is titrated to the equivalence point with a AgNO3 solution. The final volume of the titrated sample is 75 mL. What is the concentration of the AgNO3 solution.
Determine the factor of safety against overturning about point A if = 3 .The factor of safety is defined as the ratio of the stabilizing moment divided by the overturning moment.
The Henry's law constant for helium gas in water at 30°C is 3.7 10-4 M/atm; that for N2 at 30°C is 6.0 10-4 M/atm. If the two gases are each present at 1.2 atm pressure, calculate the solubility of each gas.
Calculate the solubility of zinc hydroxide, Zn(OH)2, in 1.00 M NaOH. Ksp = 3.0 × 10-16 for Zn(OH)2, Kf = 3.0 × 1015 for Zn(OH)42-
A pipeline terminates in a nozzle of outlet diameter = 0.15 m. The free jet from the nozzle is deflected through 120º by a vane as shown. Water flow rate through this pipe is 0.25 m3/s.
A 10.0L container of helium gas with a presure of 250mmHg at 0 degrees Celsius is heated to give a pressure of 1500mmHg. What is the temperature in degrees Celsius?
Figure 1 shows a class A power amplifier. Assuming that the base-emitter voltage (VBE) of the transistor in conduction is 0.7V. If the resistance RB = 1.2k W and RE = 50 W,Determine the quiescent output voltage VCEQ and current ICQ
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1. What is polynomial regression analysis? 2. What is the benefit of polynomial regression models?
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This should be brief explain the comprehensive intervention model and describe your own perspective regarding its appropriateness in light
This module provides a foundation for premarital and remarital counseling. It will provide an examination of the benefits of premarital and remarital counseling
People disagree regarding the extent to which we should be anxious and fearful of how new technologies will affect our society.
Describe/explain the symptoms associated with the disorder. That explain biological causes of the disorder. That explain psychological causes of the disorder.
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