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a which materials are conducting to which other materials water conducting can can conduct bubble wrap can to cotton wrap b which layers are
a confined quantity of air undergoes two thermodynamic processes departing from an initial equilibrium state where the temperature is 20degc the
a thermal imager is used to measure the temperature of a target surface epsilon 1 in the test section of a wind tunnel the thermal imager must view
consider a horizontal cylinder with ld large imagine this cylinder is filled with a liquid to different levels consider cases where it is 10 20 50
consider a horizontal cylinder with diameter d and length l the center of the cylinder is a distance a above the ground a wall with length w and
1 a ring of outer diameter 80 cm is made from square of cross -section steel bar size8 8 cm if relative permeability 1200 for steel calculate the
a multimode step-profile fibre has a core radius of 50 microns a core index of 152 and a cladding index of 150 a if the fibre end-face is excited
a weakly guiding optical fibre propagates just two bound modes with scalar transverse electric fields psi1xy and psi2xy and propagation constants
a weakly guiding fibre with a particular graded core index has cut-off v-values for its 2nd 3rd and 4th modes of 25 39 and 52 respectively the core
1 a very narrow laser beam is shone into a sphere of solid glass that has uniform refractive index ngt1 and radius rho the beam makes an angle
a force of 10i-3j6k newton acts on a body of 5kg and it displacesfrom 6i5j-3kmetre to 10i-2j7k metre the work done is a100j bo
a cooling drum consists of a horizontally rotating large stainless steel cylinder the cylinder has a diameter d and a width of w the cooling at the
calculate the overall heat-loss coefficient for a solar collector with a single glass cover having the following specifications neglect edge
calculate the heat-removal factor and the duct flow factor for a collector having an overall heat loss coefficient of 6 w m2k constructed of aluminum
calculate the top heat-loss coefficient for a solar collector with a single glass cover having the following specifications neglect edge effects also
a particle with mass m 25 is moving along a straight trajectory the distance covered by a particle is described by the function st t3 2t2 where t
a set of open circuit test and short circuit test have been performed on a transformer a supply voltage of 480 v is applied to the primary side of
a singly charged positive ion moving at 46 105 leaves a circular track of radius 794 mm along a direction perpendicular to the 18 -t magnetic field
can i get assistance here with questions involving the design of a permanent magnet magnetic
1 a pot such made by revere copper revereware has two different metals composing the bottom of the pan- a stainless steel pan body with a copper base
questionresultant of two forces p amp q is r if q is doubled r is doubled while if q is reversed r is again doubledshow that
if two forces p amp q act at such an angle that the resultant force rp then show that if p is doubled the new resultant is at right angle q and its
the greatest and least magnitude of the resultant of two forces of constant magnitude are p amp q proof that when the forces act at an angle of 2
derive an expression for density of states and hence deduce an expression for carrier concentration of
1 discuss the internal noise sources that are present in a typical signal source and amplifier circuit and describe their effects 2 the