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Electronic Principles

Electronic Principles
Positive ions are atoms that have

Lost a proton
Gained an electron
Gained a proton
None of these
Lost an electron

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Electronic Principles
Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage?

170 V
120 V
None of these
100 V
180 V

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Electronic Principles
To get the Thevenin voltage, you have to

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

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Electronic Principles
How many types of flow are there in a semiconductor?

3
1
2
None of these

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Electronic Principles
The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the:

armature
battery
None of these
commutator
rotor

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Electronic Principles
The current gain of a transistor is defined as the ratio of the collector current to the

emitter current
base current
supply current
None of these
collector current

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