If a 0.1 ?F capacitor and a 2.2 k? resistor are connected in series across 30 VDC, how much voltage will the capacitor drop after charging for just one time constant?
A) 19.0 V B) 29.4 V C) 25.9 V D) 28.5 V
A
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All of the following statements are true EXCEPT:
A. if 100 grams of dirt enter the filter housing and 99 grams are filtered out, the filter is said to be 90% efficient. B. the air filter must allow enough air to pass at the engine's maximum speed to not interfere with flow. C. capacity is the amount of dirt an air filter can hold before it becomes restricted. D. there must be a balance of efficiency, flow, and capacity for a filter to be effective.
Which is the largest diameter wood screw, a No. 8 or No. 10?
What will be an ideal response?
Because testing of nuclear bombs was halted internationally in 1992, the Department of Energy has developed a laser system that allows engineers to simulate (in a laboratory) conditions in a thermonuclear reaction. Due to soaring cost overruns, a congressional committee undertook an investigation and discovered that the estimated development cost of the project increased at an average rate of 2% per month over a 5-year period. If the original cost was estimated to be $2.3 billion 5 years ago, what is the expected cost today?
What will be an ideal response?