If a 50 mH inductor is in series with a 50 k? resistor across a 50 VDC source, what is the maximum current that will flow in the circuit?
A) 1 ?A B) 1 mA C) 10 mA D) 100 ?A
B
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In a circuit that has both capacitance and resistance, the current will lead the voltage _____.
a. because the resistance is too small to have an effect on circuit operation b. because the voltage across the branches is the same c. by some angle between 0° and 90° d. with an impedance between 0 and 1
A division of Midland Oil & Gas has a TI of $8.95 million for a tax year. If the state tax rate averages 5% for all states in which the corporation operates, find the equivalent after-tax ROR required of projects that are justified only if they can demonstrate a before-tax return of 22% per year.
What will be an ideal response?
ABC Beverage, LLC purchases its 355-ml cans in large bulk from Wald-China Can Corporation. The finish on the anodized aluminum surface is produced by mechanical finishing technologies called brushing or bead blasting. Engineers at Wald are switching to more efficient, faster, and cheaper machines to supply ABC. Use the estimates and MARR = 8% per year to select between the two alternatives. Brush alternative: P = $?400,000; n = 10 years; S = $50,000; non-labor AOC = $?60,000 in year 1, decreasing by $5000 annually starting in year 2 Bead blasting alternative: P = $?400,000; n is large, assume permanent; no salvage; non- labor AOC = $?70,000 per year
What will be an ideal response?
Which of the following is a problem for all RF amplifiers (linear and class C) both tube-based and solid state?
A. Self-oscillation B. High-level modulation C. Varying amplitudes D. Low-level modulation