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Thevenin’s Theorem
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Components:

 

  • Resistor: A resistor is a two-terminal electronic component that produces a voltage across its terminals that is proportional to the electric current through it in accordance with Ohm's law.
     
  • Lamp: A lamp is a replaceable component such as an incandescent light bulb, which is designed to produce light from electricity. These components usually have a base of ceramic, metal, glass or plastic, which makes an electrical connection in the socket of a light fixture.
     
  • Wire: A wire is a single, usually cylindrical, elongated string of metal. Wires are used to bear mechanical loads and to carry electricity and telecommunications signals. Wire is commonly formed by drawing the metal through a hole in a die or draw plate.
     
  • Switch: In electronics, a switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another.
     
  • Battery: In electronics, a battery or voltaic cell is a combination of many electrochemical Galvanic cells of identical type to store chemical energy and to deliver higher voltage or higher current than with single cells.
     
  • Voltmeter: A voltmeter is an instrument used for measuring the electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit; digital voltmeters give a numerical display of voltage by use of an analog to digital converter.
     
  • Ammeter: An ammeter is a measuring instrument used to measure the electric current in a circuit. Electric currents are measured in amperes (A), hence the name.
     
  • Non-contact ammeter: A type of ammeter that need not be a part of the circuit. 

 

 

Procedure:

 

  •  The components are given on the right side of the simulator. You can click on the desired component and drag it to the simulator  screen.
  • Connection wires are provided. The connection can be confirmed by noticing the colour change in the node.
  • First, design  the original circuit , and then notice the current and voltage through the load resistance.
  • Then calculate the Thevenin's equivalent resistance and voltage. Design Thevenin's equivalent circuit. Measure the current through the load resistance.
  • Compare the two results to verify the theorem.

 

 

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Amrita University, India 2009 - 2014
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