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

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

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Electronic Principles
Which one of the following is a direct statement of Ohm's law?

The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it
The algebraic sum of voltages in a loop is equal to zero
The algebraic sum of currents entering and leaving a point is equal to zero
The total resistance of a parallel circuit is less than the value of the smallest resistance
None of these

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

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

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