Electronic Principles
Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA?

10.17 V
None of these
0.17 V
20 V
18.8 V

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Electronic Principles
Current is

None of these
The number of free electrons in an atom
The force that causes electrons to flow
The flow of charged particles through a material
An imbalance of electrical charges

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Electronic Principles
What is a free electron?

None of these
An electron that has twice the amount of charge of a normal electron
An electron that costs nothing
An electron that has been freed from its parent atom
An electron that has no electrical charge

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