Electronic Principles
What is the smallest number of polarities required for current flow?

Two - a negative terminal and a positive terminal
Three - negative, positive and neutral terminals
None of these
One - a negative terminal
Four - two negative and two positive

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

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

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

The total voltage in a series circuit is equal to the average value of the individual voltages
The total voltage in a series circuit is always less than the value of the smallest voltage
The total voltage of a series circuit is equal to the total current divided by the total resistance
None of these
The total voltage is equal to the sum of the individual voltages in a series circuit

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