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potential free contacts also known as dry contacts are simply contacts which are physically operated with the main device but not electrically
calorimetry is the act of calculating the heat of chemical reactions or physical changes or the science of making such measurements calorimetry is
maxwells equations are a set of partial differential equations that together with the lorentz force law form the foundation of classical
a car of mass 800 kg is pulling a trailer of mass 300 kg up the slope of angle to the horizontal where sine 1200 resistance to motion apart from
if a particle is projected vertically upward in a constant gravitational field with an initial speed v0 if there is a retarding force proportional to
the simple equation e mcsup2 is not usually applicable to all these types of mass and energy except in the special case that the total additive
x2-5x4 can written in roots as x-1x-4x2-4 can be written interms of x-2x2so
the holes in bread board in horizontal direction have same voltage when a potential is given and same is the case with the verticle holes in the
determne the magnetic field due to a finit sraight wire of length 2l carrying a steady current i the point of interest p is l distance away from the
any point on parabola k2kperpendicular distance formuladk-k2-1212differentiating and putting 01-2k0k12therefore the point is 14
why is geometrical isomers not possible in tetrahedral complexes having two different types of unidentate ligands solution tetrahedral complexes do
coordination complexes are so pervasive that the structure and reactions are defined in many ways sometimes confusingly the atom within a ligand that
how will you find the vertex of a parabola given in 2nd degree form the axis of parabola is not parallel to coordinate axesanswrite the equation in
the string of a pendulum is horizontal mass of the bob is m now the string is released what is the tension in the string at lowest position ans if
which of the following is ideal for oxidation of propene to propan-1-olaalkaline kmno4 bb2h6alkaline kmno4 co3zn dust dcro3 ans b2h6alkaline kmno4
how rusting of iron is envisaged as setting up of an electrochemical cellsolutionrusting of iron is due to corossionrust is an fe2o3xh2otheory of
fxfx12 1fx1-fx120int2fxdx0int21-fx12dx0int2fxdx2-0int2fx12dxtake
yesfricton is working always opposite to the
polonium crystallizes in a simple cubic unit cell with an edge length of 336a1 what is the volume of the unit cell2 what is the volume of atom in the
solid xenon forms crystals with a face centered unit cell that has an edge of 620 pm1 calculate the atomic radius of xenon2 calculate the packing
here we will use the expansion method firstly limx-0 loga1xxfirstly using log property we getlimx-0loga1x-logxthen we change the base of log ie
consider the following multiplication in decimal notations 999abcdef132 determine the digits abcdef solutiona8b6c8d8e6f7in other words 999 877
ultrasonic-interferameter1defenition2applications3uses4free lenth5compressibilityansan ultrasonic interferometer is a easy and direct device to
two charges eachof q2 micro coloumb are placed at the vertices q and r of the triangle the sum of sides pq and pr is 12cm and their product is 32 cm2
why didnt all the noble metals get rust even they have high electrode potentialsans for eg if you look at gold it is highly reactive with greater