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Static Electricity : This is produced when two substances are rubbed together; the substances may be solids, liquids, or gases. Typical sources of static electricity are:
i) drive belts
ii) liquid/solid dispensers
iii) Van de Graff generators for deliberately producing static electricity
iv) plastic shoes, clothes and floors
The danger is not so much in the electric potential produced as in the sparks produced. Static electricity can be
1. prevented by preventing the friction
2. using earthed metal containers
3. wiping surfaces with dilute detergent solution
4. keeping the atmosphere damp
Atomic weight of an atom is (A) Sum of the number of protons and neutrons. (B) Sum of the number of protons and electrons. (C) Sum of the number of electrons and n
Three Logic Levels are used and they are High, Low, High impedance state. The high and low are normal logic levels & high impedance state is electrical open circuit conditions. Tri
Q. Describe about Absolute Poverty? Poverty defined with respect to an absolute material standard of living. A person is absolutely poor if their income does not allow them to
Illustrate about the term application specific instruction set processor. Application Specific Instruction-Set Processor (ASIP): a. Microcontroller: as Intel, Hitachi, Motor
Voltages source inverter ( VSI) A voltage source inverter is a constant voltage source which is having negligible impedance. In these inverters the amplitude of output
why do we prefer h model ampliflying circuits?
Question 1 (a) Describe the functions of the modulator and source encoder in a digital communications system. (b) By using appropriate examples, distinguish between th
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The French scientist, Ampere, (1775- 1836), conducted a series of experiments on the force between current carrying conductors. He found that: force per metre of wire (
Q. Write a short note on types of enclosure of machine. Sol. The various types of d.c. machine : (1) Magnetic frame or Yoke (2)
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