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Parallel LCR Circuits


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  • 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 telecommunication 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, interrupt or divert the current from one conductor to another.
  • Battery: In electronics, a battery or voltaic cell is a combination of many electrochemical Galvanic cells of identical type that can store chemical energy and can deliver higher voltage or higher current compared to 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 using 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.




1. Select the components from the right side of the simulator.

2. Connect them as in the figure :1.

3. Connection with wire is complete only when the black color appears at its ends.

4. Change the frequency of a.c source and measure the current in ammeter for each frequency.

5. Plot a graph between frequency and current .

6. Repeat the experiment for different values of R.


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