Popular Posts

  • How data is organized on a magnetic disk?
             Before the computer can use a magnetic disk to store data,the disk's surface must be magnetically mapped so that the computer ...
  • The factors upon which the electric flux depends
    Electric flux depends upon the following factors, 1.Magnitude of electric intensity 2.area of surface 3.orientation of the area
  • How data is stored on a disk ?
            You may remember from science projects that one magnet can be used to make another.For example you can make a magnet by taking an i...
  • Discovery of Oersted
    The fact that the electric current through a conductor produces magnetic field around it was discovered by Oersted
  • keyboard
    The keyboard may look like a typewriter keypad to which some special keys have been added. The keys normally available on the keyboards are...
  • Definition of Farad
    Farad is the unit of capacitance.The capacitance of a capacitor is one farad if a  cahrge of one coulomb given to one of the plates of a p...
  • Mutual induction
    The process in which a change of current in one coil causes an induced emf in another coil nearby it is called mutual induction
  • Valence band
    A band occupied by valence electrons is called as valence band. It is either completely filled or partially filled. It lies below the condu...
  • office manager required
    Industry: Education/Training Functional Area: Administration Total Position: 1 Job Type: Full Time/Permanent (First Shift (Day)) Job L...
  • Avometer
    An avometer is an electric device which can be used for the measurement of 1.current in the circuit 2.potential difference between any t...

Saturday, 18 January 2014

Water

        Water is very important for life. We need water to drink, to wash our hands, to cook, to water plants and many other things.   Liquid water is found in many places. You see liquid water coming out of the faucet, when it rains, and running in a river.
 Pure Water is a chemical compound with the chemical formula H 2O.Water is the most essential element to life on Earth.
 A water molecule contains one oxygen and two hydrogen atoms that are connected by covalent ...e liquid water is free of salt, rocks,  ...
Posted by at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)