Archive for the ‘General’ Category

  • Thevenin’s Theorem

    Apr 28, 13 • 2307 Views • General • • 2 Comments

    THEVENIN’S THEOREM Thevenin’s Theorem states that “Any circuit with sources (dependent and/or independent) and resistors can be replaced by an equivalent circuit containing a single voltage source and a single resistor.” Thevenin’s theorem implies

  • Classification of Self Excited DC Machines Motor or Generator

    Apr 27, 13 • 22450 Views • General • • 3 Comments

    CLASSIFICATION OF SELF EXCITED DC MACHINE “Energy can neither be created nor destroyed, but can be transformed from one form to the other” is the fundamental law of universe. A DC machine transforms electrical energy to mechanical(motor) or

  • LAWS OF ELECTROMAGNETISM

    Apr 27, 13 • 2888 Views • General • • 4 Comments

    The electromagnetic induction laws are also known as the laws of electromagnetism FIRST LAW- The laws of electromagnetism has two laws the first one of them states that when a conductor is placed in the varying magnetic field an emf is induced in it basically

  • Instrumental techniques in chemical analysis

    Apr 27, 13 • 1797 Views • General • • No Comments

    QUESTION  Q1.What is Lambert-Beer law? Q2. What does  Beer’ law and Lambert’ law states? Q3.State Lambert- Beer law. Q4. How is absorbance measured? Q5. Write the mathematical form of Lambert-Beer  law. Q6. Give an example of Lambert-Beer law. Q7. What

  • Transformer Testing Methods for OC and SC Test

    Apr 27, 13 • 18837 Views • General • • 3 Comments

    Transformer testing (Open Circuit and Short Circuit Test) Transformer is a static or stationary electromagnetic device consisting of two magnetic fields by means of which the electric power in one circuit is transform into the electric power of same frequency