About power supply that cnanges
About power supply that cnanges AC to DC voltage and which a zener diode on it! jst need most the calculations of zener doide in this poer supply?
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A gas is placed in a storage tank at a pressure of 20.0 atm at 20.3 DEGREES CELSIUS. As a safety device, there is a small metal plug in the tank made of a metal alloy that melts at 125 DEGREES CELSIUS. If the tank is heated, what is the maximum pr
If a 100.0 g sample of water at 60.0 degreesC is added to a 100.0 g sample of water at 10.0 degrees C, determine the final temperature of the water.
Calculate the quantity of heat in calories release when 241.62 g of water is cooled from 80.6°C to 28.0°C.
A solution is made by dissolving 31.0 g of NaOH in approximately 450 mL of water in a volumetric flask. The solution becomes quite warm, but after it is allowed to return to room temperature, water is added to total 500 mL of solution.
A sample of gas is collected over water at a temperature of 35.0?C when the barometric pressure reading is 625 torr. What is the partial pressure of the dry gas, given PH2O = 42.2 torr?
When separated from a water solution, CuSO4 forms a hydrate with 5 water molecules per formula unit. If 38 g of anhydrous CuSO4 are dissolved in water, what mass of the hydrate could be recovered from the solution?
An accelerometer has a seismic mass of 0.05kg and a spring constant of 3 x 10^3 N/m. Maximum mass displacement of 0.02m before the mass hits the stop. The maximum measurable acceleration will be equal to?
particular sample of pure iron requires 0.595 kJ of energy to raise its temperature from 25oC to 45oC. The specific heat of iron is 0.45 J/g oC. What must be the mass of the sample?
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