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6. What is a free electron?
A. An electron that has been freed from its parent atom
B. An electron that costs nothing
C. An electron that has no electrical charge
D. An electron that has twice the amount of charge of a normal electron
E. None of the above
7. To get the Norton current, you have to
A. Short the load resistor
B. Open the load resistor
C. Short the voltage source
D. Open the voltage source
E. None of the above
8. The barrier potential across each depletion layer is
A. 0
B. 0.8 V
C. 0.7 V
D. 20 V
E. None of the above
9. Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit?
A. Flux density
B. Number of lines of force
C. Magnetomotive force
D. Reluctance
E. None of the above
10. What kind of battery is most likely included in a cordless electric knife?
A. Zinc-carbon battery
B. Mercury-cell battery
C. Nicad battery
D. Lead-acid battery
E. None of the above
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