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Electronic Principles

Electronic Principles
When the collector current increases, what does the current gain do?

decreases
stays the same
any of the above
increases
None of these

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Electronic Principles
To get the Norton current, you have to

Short the load resistor
Open the voltage source
Short the voltage source
None of these
Open the load resistor

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Electronic Principles
Thevenin theorem replaces a complicated circuit facing a load by an

Ideal voltage source and series resistor
Ideal current source and parallel resistor
None of these
Ideal voltage source and parallel resistor
Ideal current source and series resistor

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Electronic Principles
A typical light switch in your home is a:

toggle switch
momentary push button switch
rotary switch
knife switch
None of these

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Electronic Principles
Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff?

20 k Ohm or more
200 k Ohm or more
20 km or less
None of these
200 k Ohm or less

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Electronic Principles
The equivalent of 1 micro A is:

one million amperes
None of these
one-millionth of an ampere
10000A
1000 A

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