11. Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating?
A. R = E2/P
B. P = PR
C. P = E2/R
D. I = P/E
E. None of the above
12. The total capacitive reactance of a parallel capacitor circuit is:
A. equal to the sum of the individual capacitive-reactance values
B. equal to the sum of the individual capacitance values
C. equal to the source voltage divided by total current
D. less than the capacitance value of the smallest capacitor
E. None of the above
13. Thevenin theorem replaces a complicated circuit facing a load by an
A. Ideal voltage source and parallel resistor
B. Ideal current source and parallel resistor
C. Ideal voltage source and series resistor
D. Ideal current source and series resistor
E. None of the above
14. What kind of device is a diode?
A. Bilateral
B. Linear
C. Nonlinear
D. Unipolar
E. None of the above
15. Which one of the following statements applies to common, non-rechargeable flashlight batteries?
A. Common flashlight batteries are secondary wet-cell batteries
B. Common flashlight batteries are primary wet-cell batteries
C. Common flashlight batteries are primary dry-cell batteries
D. Common flashlight batteries are secondary dry-cell batteries
E. None of the above
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