Electronic Principles
The knee voltage of a diode is approximately equal to the

Barrier potential
Forward voltage
Breakdown voltage
None of these
Applied voltage

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Electronic Principles
What is the difference between the kinds of charges for an electron and a proton?

An electron has a negative charge and a proton has a positive charge
An electron has a negative charge and a proton has no charge
An electron has a positive charge and a proton has no charge
An electron has a positive charge and a proton has a negative charge
None of these

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Electronic Principles
Which one of the following statements is true for resistance in a parallel circuit?

None of these
The total resistance of a parallel circuit is always less than the value of the smallest resistance
The total resistance is equal to the sum of the individual resistances in a parallel circuit.
The total resistance of a parallel circuit is equal to the total voltage
The total resistance in a parallel circuit is equal to the average value of the individual resistances

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Electronic Principles
Which one of the following statements applies to common auto batteries?

Auto batteries are primary wet-cell batteries
Auto batteries are primary dry-cell batteries
Auto batteries are secondary dry-cell batteries
Auto batteries are secondary wet-cell batteries
None of these

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Electronic Principles
A farad is defined as the amount of capacitance necessary for:

changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing
None of these
storing 1 V for 1 second
causing an ac phase shift greater than 90 degree
dissipating 1 W of power

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