Electronic Principles
The rise time of a pulse waveform is the time required for the voltage to rise:

None of these
from 10% of the peak value to 90% of the peak value
from 10% of the peak value to 70.7% of the peak value
from zero to its rms value
from zero to its peak value

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

The total current in a series circuit is equal to the total voltage multiplied by the total resistance
None of these
The same current flows through every part of a series circuit
The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit

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

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
None of these
capacitive reactance is greater than the inductive reactance

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