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Introduction to Passive Circuit Elements

Introduction to Passive Circuit Elements. Marks 8. Visit for more Learning Resources. Introduction. In all electronics circuits we have to use different electronics components such as Resistors, Capacitors, Inductors Transformers and Semiconductor devices such as Diodes, Transistors etc.…

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Introduction to Passive Circuit Elements

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  1. Introduction to Passive Circuit Elements Marks 8 Visit for more Learning Resources

  2. Introduction • In all electronics circuits we have to use different electronics components such as Resistors, Capacitors, Inductors Transformers and Semiconductor devices such as Diodes, Transistors etc.… • In this chapter we are going to discuss about • various materials used to manufacture these devices • Types • Construction • Properties of devices and components

  3. Application of Electronics • Communication and Entertainment • Defense Application • Industrial Applications • Medical Science • Instrumentation

  4. Types of Electronics Components • Active Components: Diodes, Transistors, FET 2. Passive Components: Resistors, Capacitors, Inductors

  5. Resistor • Definition: Resistor is an electronics component which provides the specifies amount of opposition (resistance) to the flow of current. It can be a fixed value or a variable resistor. • Unit: The value of resistor is called resistance. It is denoted by R and the unit of resistance is Ohms (Ω). • Symbol: Fixed Resistor Variable Resistor

  6. Resistance • Resistance of material is defined as the opposition to flow of current. It is measured in Ohms (Ω). • Resistance of metal is small that means they are good conductors of electric current. • But certain material like plastic, wood glass do not allow the current to pass through them easily, hence they are called as bad conductors or Insulator. • The mathematical expression for resistance of conductor is, Where, 𝝆 = Resistivity of material & it is constant l = Length of conductor a = Cross section area

  7. Classification of Resistors Resistors • Linear • Fixed • Variable • Non Linear • Thermistor (TDR) • LDR • VDR For more detail contact us

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