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  1. J

    Volume of light

    Would it be posible to meausre(theoreticaly) magnetic filed and electric field for example if a single photon wolud be travling trought space?
  2. J

    Volume of light

    Could we measure volume of light?
  3. J

    Volume of light

    I read on the internet, I cant renember where exatly. So is this wrong? Does light have volume?
  4. J

    Volume of light

    For light it is said it has no volume and also it it waves of electric and magnetic field. But for electric and magnetic field you need space? So can they both be at the same time?
  5. J

    Batteries and the electric field inside a wire

    Ok so what is than the source of electric field in conducting wire? Not the voltage of battery but the electrons in the wire?
  6. J

    Batteries and the electric field inside a wire

    Ok, than the question is how wire chanes the field?
  7. J

    Batteries and the electric field inside a wire

    No I meant electric field. I know there is potencial diffrence between ends, but ther is also electric field insede wire. And electric fieled is a field so it is evrywhere, just sometimes its value might be zero.
  8. J

    Batteries and the electric field inside a wire

    I have a question what does create a electric filed inside coducting wire? And is it the same field trought the whole wire? Thanx for answers.
  9. J

    Capacitor - why does current flow

    Ok thanx for answers.
  10. J

    Capacitor - why does current flow

    Why do we need capacitator then? If the wires are metalic and we have voltage source, we just disconnect wires at some point and wires should get charge on them?
  11. J

    Capacitor - why does current flow

    I have question, why can condesator get charged, when connected to voltage source, if for current to flow, there most be closed wire, but here it is not, but there still is current? Thanx for answers.
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