Submitted Questions

  • Explain about polarities ?

    • Dec 11th, 2013

    Polarization is a complex subject? But is easiest understood to me a position, location, direction, depth and etc. from a center point of refrence it is easiest understood by ceating a sphere around t...

  • DC Motor

    what happens when we apply ac voltage to a DC motor (nothing but if any DC motor)?

    atul sudhakar

    • May 2nd, 2014

    Depends if it is dc shunt motor it will not work but if its a dc series motor it might

    Shuvendu Das

    • Nov 8th, 2013

    Excess heat would be produced due to hysteresis and eddy current loss

  • Phase and Neutral

    What is the difference between phase and neutral?

    sarita

    • Nov 16th, 2014

    Phase contain supply voltage i.e heavy electrons or protons and neutral contain no supply voltage and neutral charges.

    saadsms

    • Oct 26th, 2014

    1- in one phase case : Phase is supply voltage weather neutral is returning path the same current for that supply voltage. 2- in three phase case : - in balanced load current returned to earth = 0 - ...

  • How to generate a sinusoidal wave form?

    chiragmistry

    • Mar 14th, 2014

    Its very simple connect the capacitor and inductor in series.

    abhinay

    • Sep 20th, 2013

    In our tutorials about Electromagnetism, we saw how an electric current flowing through a conductor can be used to generate a magnetic field around itself, and also if a single wire conductor is moved...

  • What is the difference between voltage and emf?

    ULAGANATHAN

    • Oct 3rd, 2013

    Voltage exist only for a closed circuit whereas emf exist for a open circuit.

    vehvariya

    • Sep 23rd, 2013

    Voltage is the potential difference applied between the two terminals, where as EMF is the electromotive force induced in the conductor due to the voltage because of the floe of the current.