Electronic Principles
What is one important thing transistors do?

Emit light
Rectify line voltage
None of these
Amplify weak signals
Regulate voltage

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
What is a negative ion?

An atom that contains more protons than neutrons
An atom that contains more electrons than neutrons
None of these
An atom that contains more protons than electrons
An atom that contains more electrons than protons

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
A low-pass filter:

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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements best applies to a series RLC circuit?

The current waveform for each component always has the same amplitude and phase as the applied current
The sum of the current is always less than the applied current
None of these
All of these
The voltage waveform for each component always has the same amplitude and phase as the applied voltage

ANSWER DOWNLOAD EXAMIANS APP