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what is resistivity resistivity of a material may be explained as the resistance of the material having unit length and also unit cross sectional
vacuum or vacuum pressure pvaccit is the pressure of a fluid that is always less as compared to the atmospheric pressure pressure that is vacuum in a
explain gauge pressure pgaugegauge pressure is the pressure of a fluid contained in a closed vessel it is all time more than atmospheric pressure it
explain atmospheric pressure patmatmospheric pressure is the pressure exerted by atmospheric air on any surface it is calculated by a barometer the
specific properties of a systemthe extensive properties while estimated on the unit mass basis result in intensive property that is as well known as
explain the extensive properties of a systemextensive properties are those which dependent on the mass of the system and do not maintain similar
explain the intensive properties of a systemintensive properties are those which have similar value for any part of the system or the properties
i need help import cgi cgitb cgitbenable htmlhead 3939content-type texthtmlnn3939 htmltop
a 20kw 220v shunt generator has armature resistance of 007 and a shunt field resisitance 900 ohm find field
question 1 100 marks as surveyor in charge of an underground mine you have been instructed to design a tunnel to join a crosscut to a haulage
can you give me a complete design of hydraulic fixture for turning and facing machine with all dimension an graph and analysis
all semiconductors in their last orbit havea 8 electrons b 2 electronsc 4 electronsd 6 electronsans all semiconductors in
large scale integration chips have betweena less than 10 components b 10 and 100 componentsc 100 and 1000
thermocouples are used for the measurement ofa
dielectric materials area insulating materials b semiconducting materialsc magnetic
phenol and formaldehyde are polymerised to a resultant product known asa pvc
n-type semiconductor is an example ofa extrinsic semiconductor b intrinsic semiconductorc super
gold and silver area dielectric materialsb low resistivity conducting materialsc magnetic materialsd insulating materialsansgold and silver are low
atomic weight of an atom isa sum of the number of protons and neutrons b sum of the number of protons and electrons c sum of the number of electrons
the dielectric constant of air is practically taken asa more than
explain the factors affecting permeability and hysterisis loss factors affecting permeability and hysterisis loss when the initial permeability is
what is meant by doping how does it affect a semiconductor doping the process through which an impurity is added to semiconductor is termed as doping
give the properties and uses of silicon iron alloy and nickel iron alloysilicon iron alloy pure iron has low resistivity that results in higher eddy
explain n-type and p-type semiconductors n - type semiconductor if small amount of pentavalent impurity group v elements is added to a pure
explain the electrical contact materials with exampleselectrical contact materials a number of elements in their pure form as copper nickel palladium