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  • Abhishek Rawal

    Member • Oct 1, 2013

    Such an elementary question, whose answer can easily be obtained from textbooks.
    If you don't like opening books, then you can simply google it.
    Anyways, check this link : <a href="https://www.diffen.com/difference/Current_vs_Voltage" target="_blank" rel="nofollow noopener noreferrer">Current vs Voltage - Difference and Comparison | Diffen</a>

    Note : DO search in CE itself, before asking. It might help us to avoid duplicate threads 👍
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  • Kaustubh Katdare

    Administrator • Oct 1, 2013

    @#-Link-Snipped-# - That's a very basic question to discuss on CrazyEngineers. Any basic electrical engineering book or textbook should clearly give you an answer. But it's still a valid question that should be answered. Why don't you tell us what you understand by the terms current and voltage?
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  • Ramani Aswath

    Member • Oct 1, 2013

    yogi.bharadwaj
    can any body explain the diffrence b/w current and voltage and also there different practicle significance?
    I am rather mystified at this from an E&C person.
    May be a water tank analogy can help. Consider an overhead water tank and a tap connected to it that is open. Water is flowing out.
    The height of the water tank above the tap represents the water pressure this is analogous to Voltage which is an electric level.
    The amount of water flowing (litres per sec) represents the current, which is the number of charges flowing through the wire for unit time.

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  • yogi.bharadwaj

    Member • Oct 1, 2013

    Kaustubh Katdare
    @#-Link-Snipped-# - That's a very basic question to discuss on CrazyEngineers. Any basic electrical engineering book or textbook should clearly give you an answer. But it's still a valid question that should be answered. Why don't you tell us what you understand by the terms current and voltage?
    everybody says current is erffect and voltage is cause but in many systems where we can see ratings its different and every device requires a specific charaterstic.for eg. if we increase current then voltage drops down and if we increase voltage then current drops down by use of steblizers or other.But why this happened i don;t understand.is there a device which increase or decrease them equally?
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  • yogi.bharadwaj

    Member • Oct 1, 2013

    A.V.Ramani
    I am rather mystified at this from an E&C person.
    May be a water tank analogy can help. Consider an overhead water tank and a tap connected to it that is open. Water is flowing out.
    The height of the water tank above the tap represents the water pressure this is analogous to Voltage which is an electric level.
    The amount of water flowing (litres per sec) represents the current, which is the number of charges flowing through the wire for unit time.

    #-Link-Snipped-#
    yes its right but why different ratings for both and why one goes down when other increases?
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  • Ramani Aswath

    Member • Oct 1, 2013

    I am sure that you have learnt the Ohm's Law.
    In any power supply there is an open circuit voltage and a current rating. The source itself has an impedance. When a current is drawn from it there is an internal voltage drop which reduces the out put voltage. In stabilised circuits this is sensed and compensated by active circuits.
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  • yogi.bharadwaj

    Member • Oct 1, 2013

    thats right but can we differenciate the current and voltage in a source just like impurities from a material.
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  • Ramani Aswath

    Member • Oct 1, 2013

    I am afraid that this is not the platform for such a fundamental discussion.
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    <a href="https://www.hamuniverse.com/ohmslaw.html" target="_blank" rel="nofollow noopener noreferrer">Ohm's Law - The basics - Ohms Law Formulas Explained to save you time</a>

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    I bow out.
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