CET PASSED A+ RATED GUIDE
QUESTIONS AND ANSWERS 2025
Calculate wavelength to frequency - Answer - f = C / lambda
RF signal voltage is reduced by 6 dB - Answer - half original size
Prefer a digital VOM over an analog meter because - Answer - for most accuracy
The energy stored in a coil is measured in - Answer - Joules
The telephone communication term "Cellular" refers to - Answer - small geographic areas
covered by each base station
What voltage type and value would generally be used to light an LED - Answer - 3V DC
An antenna that is longer than another - Answer - will have a lower resonant frequency
A printer directly connected to a PC would use a what type of connection - Answer - USB or
parallel Centronics
A disadvantage of LCD is - Answer - environmental temperature sensitivity
Is the rotor in an induction motor is connected or not connected to AC or DC power - Answer -
Not connected
, A fuse that has its fusible wire wrapped around an insulator is called - Answer - Slo-Blo type fuse
What are considered "basic" components of a non switching power supply - Answer - Filter,
Rectifier, Transformer
The average of a full sine wave rectified voltage is - Answer - .637 x peak
The ripple frequency for a half wave rectifier operation from 60Hz electrical power is - Answer -
60Hz
An inductor opposes change in - Answer - Current
A capacitor opposes any change in - Answer - voltage
The fact that an inductor opposes any change in current is true of - Answer - AC and DC signals
For a given filter type, pure filtering is easiest with - Answer - High Frequencies
A power supply whose output voltage does not change whether the load is light or heavy would
have what percent of regulation - Answer - 0%
Correctly connecting a properly rated zener diode across a power supply load will - Answer -
Limit the output DC
A triac in a power control circuit - Answer - acts as an on/off switch
What specification should NOT be of concern regarding wire conductors - Answer - Length
QUESTIONS AND ANSWERS 2025
Calculate wavelength to frequency - Answer - f = C / lambda
RF signal voltage is reduced by 6 dB - Answer - half original size
Prefer a digital VOM over an analog meter because - Answer - for most accuracy
The energy stored in a coil is measured in - Answer - Joules
The telephone communication term "Cellular" refers to - Answer - small geographic areas
covered by each base station
What voltage type and value would generally be used to light an LED - Answer - 3V DC
An antenna that is longer than another - Answer - will have a lower resonant frequency
A printer directly connected to a PC would use a what type of connection - Answer - USB or
parallel Centronics
A disadvantage of LCD is - Answer - environmental temperature sensitivity
Is the rotor in an induction motor is connected or not connected to AC or DC power - Answer -
Not connected
, A fuse that has its fusible wire wrapped around an insulator is called - Answer - Slo-Blo type fuse
What are considered "basic" components of a non switching power supply - Answer - Filter,
Rectifier, Transformer
The average of a full sine wave rectified voltage is - Answer - .637 x peak
The ripple frequency for a half wave rectifier operation from 60Hz electrical power is - Answer -
60Hz
An inductor opposes change in - Answer - Current
A capacitor opposes any change in - Answer - voltage
The fact that an inductor opposes any change in current is true of - Answer - AC and DC signals
For a given filter type, pure filtering is easiest with - Answer - High Frequencies
A power supply whose output voltage does not change whether the load is light or heavy would
have what percent of regulation - Answer - 0%
Correctly connecting a properly rated zener diode across a power supply load will - Answer -
Limit the output DC
A triac in a power control circuit - Answer - acts as an on/off switch
What specification should NOT be of concern regarding wire conductors - Answer - Length
