Electronic Principles
Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance?

I = P/E
P = IE
P = I2R
P = E2/R
None of these

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

The total voltages is equal to the sum of the voltages across the resistance and inductance
The total voltage is less than the sum of the voltages across the resistance and inductance
None of these
The total voltage lags the total current by less than 90
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 auto batteries?

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

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