Electronic Principles
At room temperature an intrinsic silicon crystal acts approximately like

an insulator
a battery
a conductor
None of these
a piece of copper wire

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Electronic Principles
When applying a square waveform to a capacitor, the circuit tends to:

peak both the voltage and current waveforms
None of these
peak the voltage and round off the current waveforms
round off both the voltage and current waveforms
peak the current and round off the voltage waveforms

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

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

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

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