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Electronic Principles

Electronic Principles
Who invented the first junction transistor?

Gomes
Shockley
None of these
Smith
Fisher

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Electronic Principles
Doubling the operating frequency of an inductive circuit:

cuts the inductive reactance in half
None of these
multiplies the inductive reactance by 6.28
doubles the amount of inductive reactance
has no effect on the inductive reactance

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Electronic Principles
A transistor has how many doped regions?

1
2
3
None of these
4

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Electronic Principles
For normal operation of the transistor, the collector diode has to be

Forward-biased
Nonconducting
None of these
Reverse-biased
Operating in the breakdown region

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Electronic Principles
To get the Norton current, you have to

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

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Electronic Principles
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm?

250 Ohm
None of these
99.3 Ohm
70.7Ohm
60 Ohm

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