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Electronic Principles

Electronic Principles
What is the algebraic sum of this series of values:+2, -3, -6,+4?

-6
-3
None of these
2

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Electronic Principles
The emitter diode is usually

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

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Electronic Principles
The graph of current gain versus collector current indicates that the current gain

equals the collector current divided by the base current
varies slightly
is contant
varies enormously
None of these

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Electronic Principles
To get the Thevenin voltage, you have to

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

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Electronic Principles
An audio transformer has a turn ratio of 9, What is its impedance ratio?

6
85
9
None of these
81

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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?

99.3 Ohm
250 Ohm
60 Ohm
70.7Ohm
None of these

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