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Electronic Principles

Electronic Principles
Silicon atoms combine into an orderly pattern called a

None of these
Valence orbit
Covalent bond
Crystal
Semiconductor

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Electronic Principles
Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff?

100 Ohm
10 Ohm
20 Ohm
30 Ohm
None of these

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Electronic Principles
A real voltage source has

Zero internal resistance
A small internal resistance
Infinite internal resistance
A large internal resistance
None of these

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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

up
off the load line
down
nowhere
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:

battery
armature
rotor
commutator
None of these

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Electronic Principles
If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage?

40 V
60 V
None of these
0 V
36 V

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