Electronic Principles
Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs?

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

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Electronic Principles
When applying a square waveform to a capacitor, the circuit tends to:

peak both the voltage and current waveforms
round off both the voltage and current waveforms
peak the voltage and round off the current waveforms
peak the current and round off the voltage waveforms
None of these

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