It is commonly assumed that American household appliances operate on 120 volts, but it is economically advantageous to operate larger heating devices, such as electric kitchen ranges and high-Btu air conditioners, on a higher voltage, namely, ____ V.
a. 180
b. 220
c. 240
d. 250
c. 240
You might also like to view...
Given the great enthusiasm for territorial expansion and the lure and pull of Manifest Destiny, why did the "all of Mexico" movement fail to win political assent in Congress or from even President Polk, a staunch advocate of both territorial expansion and Manifest Destiny?
What will be an ideal response?
American Standard shapes are generally called _____.
a. L-shapes b. T-shapes c.W-shapes d. S-shapes
A DC voltage that sets the operating conditions of a semiconductor device is called the ________
A) battery B) depletion voltage C) barrier potential D) bias
Maximum material condition is the condition of a part or feature when it contains ____.
A. the least amount of material. B. an average amount of material. C. the most amount of vacant space. D. the most amount of material. E. none of the above