Question

In: Physics

When a P = 720 W ideal (lossless) transformer is operated at full power with an...

When a P = 720 W ideal (lossless) transformer is operated at full power with an rms input current of I1 = 3.1 A, it produces an rms output voltage of V2 = 9.4 V.

Part A) What is the input voltage, in volts?

Part B) What is the output current, in amperes?
Part C) Calculate the ratio of primary to secondary turns.
Part D) Is this a step-up or a step-down transformer?

Solutions

Expert Solution


Related Solutions

Please use a transformer, bridge full-wave rectifier and filter capacitor to design a power supply circuit...
Please use a transformer, bridge full-wave rectifier and filter capacitor to design a power supply circuit that converts 60Hz-110V AC to 12V DC. Please (1) draw a circuit diagram, (2) calculate the value of the filter capacitor C so that the ripple at the output current of 2A needs to be less than 0.1V, (3) select the transformer output voltage and estimate the peak voltage of the DC power supply.
You are using an external AC transformer to supply power to an electric fan. When you...
You are using an external AC transformer to supply power to an electric fan. When you touch the transformer, it is very hot. What will you do? Why?
An energy saving lamp with a power of P = 11 W emits an electromagnetic wave...
An energy saving lamp with a power of P = 11 W emits an electromagnetic wave uniformly in all directions. Calculate the wave at a distance of r = 3 m from the lamp (a) the intensity (b) the radiation pressure (c) electric field amplitude (d) the amplitude of the magnetic field
The efficiency of a 400-kVA, single-phase, 60-Hz transformer is 98.77% when delivering full-load current at 0.8...
The efficiency of a 400-kVA, single-phase, 60-Hz transformer is 98.77% when delivering full-load current at 0.8 power factor, and 99.13% with half-rated current at unity power factor. calculate: (a) The iron loss. (b) the full-load copper loss. (c) the efficiency at 3/4 load, 0.9 power factor
3. Excess capacity adjustments Water and Power Co. (W&P) currently has $540,000 in total assets and...
3. Excess capacity adjustments Water and Power Co. (W&P) currently has $540,000 in total assets and sales of $1,550,000. Half of W&P’s total assets come from net fixed assets, and the rest are current assets. The firm expects sales to grow by 22% in the next year. According to the AFN equation, the amount of additional assets required to support this level of sales is $_________ . W&P was using its fixed assets at only 93% of capacity last year....
3. Excess capacity adjustments Water and Power Co. (W&P) had sales of $1,400,000 last year on...
3. Excess capacity adjustments Water and Power Co. (W&P) had sales of $1,400,000 last year on fixed assets of $330,000. Given that W&P’s fixed assets were being used at only 93% of capacity, then the firm’s fixed asset turnover ratio was ……………………..? How much sales could Water and Power Co. (W&P) have supported with its current level of fixed assets? $1,430,107 $1,279,570 $1,505,376 $1,806,451 When you consider that W&P’s fixed assets were being underused, what should be the firm’s target...
The Navajo Generating Station was a 2250 MW plant when operating at full power. a) Assuming...
The Navajo Generating Station was a 2250 MW plant when operating at full power. a) Assuming the plant operates at 38% efficiency and that coal has a heat content of 10,500 BTU/lb, calculate how many tons of coal are used per year if the plant operates at full capacity (assume 24 hrs/day, 7 days/week) . b) Calculate the area needed to replace the power generated by NGS with Si photocells operating at 21% efficiency assuming an average solar insolation of...
A model of a Francis turbine is built to a scale of one fifth of full size and when tested it developed a power output of 3 kW under a head of 1.8 m of wate
A model of a Francis turbine is built to a scale of one fifth of full size and when tested it developed a power output of $3 \mathrm{~kW}$ under a head of $1.8 \mathrm{~m}$ of water, at a rotational speed of $360 \mathrm{rev} / \mathrm{min}$ and a flow rate of $0.215 \mathrm{~m}^3 / \mathrm{s}$.Estimate the speed, flow rate, and power of the full-scale turbine when working under dynamically similar conditions with a head of $60 \mathrm{~m}$ of water. By making...
A microfiltration membrane operating with pure feed of water produces a flux of 0.06 k g ⋅ s − 1 ⋅ m − 2 0.06 kg⋅s−1⋅m−2 when operated with a TMP of 30 k P a 30kPa.
A microfiltration membrane operating with pure feed of water produces a flux of 0.06 kg⋅s−1⋅m−20.06 kg⋅s−1⋅m−2 when operated with a TMP of 30kPa30kPa. 1. What is the resistance due to the membrane? Specify the units. 2. If operated with a protein-water mixture at a 20kPa20kPa pressure difference, a flux of 216×216× 10−6 kg⋅s−1⋅m−210−6 kg⋅s−1⋅m−2 is measured at steady state. What is the resistance due to cake build-up? Specify the units.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT