PAE-CA6(2) -Electronic Theory E

What is the focus of electronic circuit theory?

• Power distribution

• Signal processing and control

• Energy storage

• Increasing current flow

Which of the following is a key difference between electric and electronic circuits?

• Electric circuits emphasize power distribution, while electronic circuits focus on signal control

• Electronic circuits rely on transformers, while electric circuits do not

• Electric circuits are limited to low voltage, while electronic circuits use high voltage

• Electric circuits always include capacitors, while electronic circuits use inductors

What is the primary role of a capacitor in an electronic circuit?

• To amplify signals

• To store and release electrical energy

• To convert electrical energy into heat

• To act as a switch

What does an inductor primarily store?

• Electrical energy

• Magnetic energy

• Thermal energy

• Acoustic energy

Which component allows current to flow in only one direction?

• Transistor

• Diode

• Capacitor

• Resistor

What is the primary purpose of a transistor in electronic circuits?

• To store energy

• To amplify or switch signals

• To reduce voltage levels

• To measure resistance

What happens when electronic components are connected in parallel?

• Current flows equally through all components

• Voltage divides across components

• Current divides across components

• Resistance remains constant

What is the main purpose of an amplifier in an electronic circuit?

• To store electrical energy

• To increase the strength of a signal

• To measure voltage levels

• To allow current to flow in one direction

Which of the following is an example of signal processing?

• Converting sound waves into digital signals

• Distributing electricity through power lines

• Storing energy in capacitors

• Amplifying voltage in transformers

How do filters improve sound quality in audio systems?

• By amplifying noise

• By removing unwanted frequencies

• By reducing signal strength

• By increasing the volume