Audio-Video Products and Systems Quiz

A transformer that is used to provide line isolation and generates multiple output voltages for the secondary circuit.

• Flyback transformer

• Switch mode power transformer

• Step-up transformer

• Step-down transformer

A transformer that generates various voltages including high voltage.

Electronic components whose resistance varies according to temperatures.

• Capacitor

• Thermistor

• Potentiometer

• Varistor

A thermistor which has very high resistance when cold and very low resistance when hot.

• Varistor

• Potentiometer

• NTC

• PTC

A thermistor which has very low resistance when cold and very high resistance when hot.

• Potentiometer

• NTC

• Varistor

• PTC

A safety component that does not conduct unless the AC voltages increase above normal like during a power surge.

A circuit used to pass the desired signal and block the undesired signal.

• Power supply circuit

• Protection circuit

• Degaussing circuit

• EMI filter circuit

An electronic component that allows low frequencies to pass and block high frequencies.

• Diode

• Capacitor

• Inductor

• Resistor

An electronic component that allows high frequencies to pass and block low frequencies.

• Capacitor

• Inductor

• Resistor

• Diode

Is simply a wire connected around the CRT tube, it is used to clean up any effect due to magnetic effect.

• Voice coil

• Inductor coil

• Magnetic coil

• Degaussing coil