Electronic Principles
Current can flow through a normally open push button switch as long as:

you are pressing the button
you are not pressing the button
its contact remain open
None of these
its contact remain open

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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 current always has the same amplitude and phase for every part of the circuit
The total current is equal to 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
None of these

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

None of these
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

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