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Electronic Principles

Electronic Principles
When the graph of current versus voltage is a straight line, the device is referred to as

None of these
Active
Bipolar
Nonlinear
Linear

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Electronic Principles
In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point

down
nowhere
off the load line
None of these
up

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Electronic Principles
Most AC power is obtained from:

oscillators
batteries
lightning
generators
None of these

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Electronic Principles
A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding?

4.73
600 V
24 V
0.4 V
None of these

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Electronic Principles
To get the Thevenin voltage, you have to

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

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Electronic Principles
Doubling the number of turns of wire in an inductor:

reduces the value of inductance by one-fourth
multiplies the value of inductance by two
multiplies the value of inductance by four
reduces the value of inductance by one-half
None of these

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