Electronic Principles
A device that converts mechanical pressure to electrical energy is called a:

photodiode
piezoelectric device
nicad cell
solar cell
None of these

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

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

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

The total voltage in a series circuit is always less than the value of the smallest voltage
The total voltage of a series circuit is equal to the total current divided by the total resistance
The total voltage is equal to the sum of the individual voltages in a series circuit
The total voltage in a series circuit is equal to the average value of the individual voltages
None of these

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

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

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