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

None of these
from zero to its rms value
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 peak value

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Electronic Principles
The south pole of a magnet is the one:

that would be repelled by the north pole of another magnet
that would be attracted to the earths north magnetic pole
that has its molecules arranged in a random pattern
None of these
that would be attracted to the earth's south magnetic pole

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

The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance
The same current always flows through every part of a parallel circuit
None of these
The total current in a parallel circuit is always less than the smallest amount of current
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it

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