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?

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

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

The total current. is greater than the sum of the currents for the resistance and capacitance
The total current is less than the sum of the currents for the resistance and capacitance
The total current is equal to the sum of the currents for the resistance and capacitance
The current always has the same amplitude and phase for every part of the circuit
None of these

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

The total voltage of a parallel circuit is the same as the voltages across each branch
The total voltage in a parallel circuit is always less than the value of the smallest voltage
The total voltage in a parallel circuit is equal to the average value of the individual voltages
None of these
The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit

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Electronic Principles
When a parallel RLC circuit is operating at its resonant frequency:

inductive reactance is greater than the capacitive reactance
capacitive reactance is greater than the inductive reactance
inductive reactance is equal to the capacitive reactance
the difference between inductive and capacitive reactance is equal to the resistance
None of these

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