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...
  • Reactance
    The opposition offered by a capacitor to the flow of charge through it is called its reactance
  • Flash memory
         Flash memory is a special type of memory chip that combines the best features of RAM and ROM.Like RAM,flash memory lets a user or pro...

Tuesday 4 February 2014

Sensor


It is a device based upon logic gates. A sensor is such a device which converts a particular physical quantity into electric voltage
Posted by at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)