Introduction to Electronics

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Questions and Answers

What is the primary purpose of a resistor in an electronic circuit?

  • To convert electrical energy into light or heat
  • To store electrical charge
  • To amplify electrical signals
  • To control the flow of electric current and provide the desired amount of voltage (correct)

What is the main advantage of metal oxide film resistors over carbon composition resistors?

  • Smaller size
  • Lower cost
  • Lower noise and better temperature stability (correct)
  • Higher resistance values

Which type of resistor is most suitable for applications involving direct current (DC) and audio frequencies?

  • Carbon composition resistor
  • Thick film resistor
  • Thin film resistor
  • Wire-wound resistor (correct)

Which type of resistor is known for its low cost and small size, but also exhibits poor stability and high temperature coefficient?

<p>Carbon composition resistor (B)</p> Signup and view all the answers

What is the main characteristic of variable linear resistors?

<p>Their resistance values can be varied from 0 to a specified value (A)</p> Signup and view all the answers

Which of the following statements about passive components is true?

<p>They are not capable of processing or amplifying an electrical signal (C)</p> Signup and view all the answers

What is the primary focus of the field of electronics?

<p>The study, design, and utilization of electron devices (B)</p> Signup and view all the answers

Which of the following was NOT mentioned as one of the initial developments in electronics?

<p>The development of the integrated circuit (IC) in 1961 (C)</p> Signup and view all the answers

What was the significance of the triode invention in 1907?

<p>It could be used in oscillator circuits, laying the foundation for radio technology (A)</p> Signup and view all the answers

What was a significant development in electronics during World War II?

<p>The development of different microwave tubes and the invention of radar (C)</p> Signup and view all the answers

What is the primary advantage of integrated circuit (IC) technology?

<p>It made it possible to fabricate a large number of electronic components on a small semiconductor material (D)</p> Signup and view all the answers

Which area of application for electronics is mentioned in the text?

<p>Entertainment and communication (C)</p> Signup and view all the answers

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