Concept MAP for Insulators, Semiconductors, Conductors, Superconductors.

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Circuit Diagrams and Ohm's law

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  Circuit Diagrams We already know that electric circuit is a continuous path consisting of cell (or a battery), a plug key, electrical component(s), and connecting wires. Electric circuits can be represented conveniently through a circuit diagram . A diagram which indicates how different components in a circuit have to be connected by using symbols for different electric components is called a circuit diagram. Table given below shows symbols used to represent some of the most commonly used electrical components Ohm's Law Ohm's law is the relation between the potential difference applied to the ends of the conductor and current flowing through the conductor. This law was expressed by George Simon Ohm in 1826. Statement of Ohm's Law If the physical state of the conductor (Temperature and mechanical strain etc.) remains unchanged, then current flowing through a conductor is always directly proportional to the potential difference across the two ends o...
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Rolling Motion made Easy

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