Electronic Principles
The direction of conventional current flow is:

from positive to negative
from neutral to positive
from left to right
None of these
from negative to positive

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
A low-pass filter:

has no effect on ac signals
passes higher-frequency signals and reduces lower-frequency signals
passes lower-frequency signals and reduces higher-frequency signals
None of these
reduces the level of all frequencies by a significant amount

ANSWER DOWNLOAD EXAMIANS APP