Exercise: Electronic Principles

Questions for: Electronic Principles

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
Answer: B
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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
Answer: C
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The barrier potential accross each depletion layer is
A:
0
B:
0.8 V
C:
0.7 V
D:
20 V
Answer: C
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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
Answer: C
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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
Answer: A
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