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

base current
collector current
emitter current
supply current
None of these

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Electronic Principles
Molecule is

A atom that has an excessive number of electrons in its outer orbit
The smallest particle of a substance that retains the properties of that substance
A atom that flows whenever there is an imbalance of electrical charges between two points
A atom that has a shortage of electrons in its outer orbit
None of these

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Electronic Principles
Which one of the following statements is true for the voltages in a series RC circuit?

The total voltage is less than the sum of the voltages across the resistance and capacitance
The total voltage is greater than the sum of the voltages across the resistance and capacitance
The total voltage is equal to the sum of the voltages across the resistance and capacitance
None of these
The voltage always has the same amplitude and phase for every part of the circuit

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Electronic Principles
Which one of the following statements applies to common, non-rechargeable flashlight batteries?

Common flashlight batteries are secondary dry-cell batteries
Common flashlight batteries are secondary wet-cell batteries
None of these
Common flashlight batteries are primary dry-cell batteries
Common flashlight batteries are primary wet-cell batteries

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Electronic Principles
The dielectric constant of a material is a measure of:

None of these
the amount of opposition to the current flow
how well the material concentrates electrostatic lines of force
the amount of voltage it can withstand before breaking down
how well the material concentrates magnetic lines of force

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