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Electronic Principles

Electronic Principles
What is the barrier potential of a silicon diode at room temperature?

1 V
2 m V per degree Celsius
0.3V
None of these
0.7V

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Electronic Principles
To get the Thevenin voltage, you have to

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

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

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

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Electronic Principles
When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a:

parallel RC circuit
parallel RLC circuit operated above its resonant frequency
parallel RL circuit
purely resistive circuit
None of these

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Electronic Principles
How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source?

None of these
0.151 mA
2.02 A
157 raA
0.995 mA

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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
None of these
rotor
commutator
armature

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