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?

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

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Electronic Principles
The south pole of a magnet is the one:

that would be attracted to the earths north magnetic pole
that would be repelled by the north pole of another magnet
None of these
that has its molecules arranged in a random pattern
that would be attracted to the earth's south magnetic pole

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Electronic Principles
Which one of the following statements is true for current flowing in a parallel circuit?

None of these
The total current in a parallel circuit is always less than the smallest amount of current
The same current always flows through every part of a parallel circuit
The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it

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Electronic Principles
Which one of the following statements is true?

Power dissipation of a pure capacitor increases with operating frequency
None of these
There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency
Power dissipation of a pure capacitor decreases with operating frequency
All of these

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Electronic Principles
The total capacitance of a series capacitor circuit is:

None of these
less than the value of the smallest capacitor
equal to the sum of the individual capacitance values
equal to the source voltage divided by total current
equal to the sun of the individual capacitive-reactance values

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