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A 100 kVA, 11 kV/231 V transformer has HV and LV winding resistances of 8.51 Ω and 0.0038 Ω respectively. It gave the following test results:
Calculate
(a) Equivalent leakage reactance of the transformer
(b) Full load copper loss
(c) Efficiency at full-load and half full-load at 0.85 lagging power factor
Assume that the demand for autoworkers declines significantly due to a decrease in demand for new automobiles. Explain what will happen to unemployment usin Keynesian reasoning
A firm uses two inputs in production: capital and labor. In the short run, the firm cannot adjust the amount of capital it is using, but it can adjust the size of its workforce. What happens to the firm's average total cost curve,
The federal government would like to give grants to local states to promote free medical vaccinations for children. However, because of a limited budget the federal government wishes to target its spending as evidently as possible.
Which assumptions are needed to make b an unbiased estimator for β - Explain how a confidence interval for β2 can be constructed. Which additional assumptions are needed?
the demand for kitty litter in pounds is nbspnbspqd100-pd-pc2m where pd is the price of kitty litter pc is the price of
how does his principle of liberty remedy this oversight?
Suppose that a security costs $3,000 today and pays off some amount b in one year. Suppose that b is uncertain according to the following table of probabilities: b: $3,000 $3,300 $3,600 $3,900 $4,200 Probability: 0.1 0.2 0.3 0.2 0.2
A potential entrepreneur is trying to decide whether to open a new health spa. She presently makes $35,000 per year as an aerobics instructor and will have to give up this job if she opens the new health spa. If she chooses to open the spa, it wil..
If your bank held 3% of the units issued by a unit trust and the mortgages in the trust repaid $15,000,000 in interest and $2,300,000 in principal in its first year, how much principal and interest would your bank receive that year
In Blakeslee et al. v. Board of Water Com'rs of City of Hartford (139 A. 106, 1927), the plaintiff sought and obtained a price increase when the cost of building a dam rose unexpectedly due to the diversion of workers and materials at the outbreak..
Suppose that the economy starts at equilibrium and the mpc = 0.8. What would be the effect of a $300 increase in taxes once all the rounds of the multiplier process are complete
In a transferable voting system each voter provides a ranking of the candidates. The candidate with the lowest number of first-choice votes is eliminated, and the votes are transferred to the second-choice candidates. This process proceeds until a..
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