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

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Electronic Principles
Which one of the following phrasers best describes flux density?

None of these
The opposition to a build-up of magnetic fields
The concentration of lines of magnetic force
The rate of change of the number of lines of magnetic force
The force that maintains lines of force

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Electronic Principles
Which one of the following statements is true for resistance 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
The total resistance is equal to the sum of the individual resistances in a parallel circuit.
The total resistance of a parallel circuit is always less than the value of the smallest resistance
None of these

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