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A transformer is a static device which transfers AC electrical power from one circuit to another at the same frequency but the voltage level is changed usually. When the voltage is raised up to on the output side (V2> V1), the transformer is called step-up transformer, whereas the transformer in which the voltage is lowered on the output side (V2< V1) is called a step-down transformer. Transformers are used in electronic equipments not only to step-up or step-down the voltage but also to electrically isolate, the electronic circuit from the mains.
Get an expression for the fringe width in the interference pattern due to Young's double slit.
Are machines with the CE mark certified? The CE mark was a good concept in its inception but this has been so much abused which has become practically meaningless for the end u
O rdinary glass is a good insulator but is too brittle to be used for anything but scientific instrument part s, accumulator container and for certain other special purposes. It is
1. Explain the basic features of electricity at a fundamental level? ( Describe the nature of electricity) 2. What part of a cable are conductors and insulators? (Recogini
newton; N (after Sir I. Newton, 1642-1727) The derived SI unit of force, explained as the force needed to give a mass of 1 kg an acceleration of 1 m/s 2 ; thus it has units of
X-rays was discovered by scientist Rontgen that's why they are also known as Rontgen pulses. Rontgen discovered that when pressure inside a discharge tube kept 10 -3 mm of Hg a
A cab driver in a hurry is sitting at a red light. When the light turns green she rapidly accelerates for 3.50 s at 6.80 m/s 2 . The next light is still red. She then slams on
What is splicing? Splicing: Two optical fibers utilized for communication are joined with a process termed as Splicing. This must be done very carefully that is the splicing
Driving nails with the help of inertia Extend a thin board over the edge of a table and support it well by having someone stand on the part in excess of the table. Try to drive
What is the wavelength of electromagnetic waves of frequency 5 x 1019Hz in free space? Give its two applications.
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