Electronic Principles
What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W?

844.5 Ohm
1234 Ohm
None of these
692.2 Ohm
3890 Ohm

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Electronic Principles
What is the primary difference between primary and secondary cell batteries?

None of these
Primary-cell batteries must be recharged at a much slower rate that secondary-cell batteries
Secondary-cell batteries can be recharged and used many times, whereas primary-cell batteries cannot be properly recharged
Primary-cell batteries can be recharged and used many times, whereas secondary-cell batteries cannot be properly recharged
Primary-cell batteries use chemical cells, whereas secondary-cell batteries use an alternative energy source, such as thermal or magnetic energy, to supplement their outputs

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

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

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