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if r per annum is the rate at which the principal a is compounded annually then at the end of k years the money due
we have seen that if y is a function of x then for each given value of x we can determine uniquely the value of y as per the functional
faradays lawwhen the magnetic flux through the coil is made to vary an emf is induced in the coil the magnitude of the induced emf is
factors affecting induced emfby experiment the following factors may be notedbullthe faster the magnet or coil is moved the greater is the deflection
magnetic flux and flux densitya magnetising force produces a certain amount of magnetic flux f measured in webers the magnetic field is
example suppose the demand and cost functions are given by q 21 - 01p and c 200
for the layman a function indicates a relationship among objects a function provides a model to describe a system economists
the magnetic circuitin an electric circuit a current is established due to the existence of an electromotive force in the same way in a magnetic
rule 1the logarithm of 1 to any base is 0proofwe know that any number raised to zero equals 1 that is a0 1 where a takes any value therefore
we know that 24 16 and also that 2 is referred to as the base 4 as the index or power or the exponent the same if expressed in terms of
magnetic materialsferromagnetic materialsferromagnetic materials can be easily magnetised and exhibit strong magnetic properties this group can be
properties of lines of fluxto make the imaginary lines of flux describe the behaviour of the magnetic field we must give them appropriate
consider this you have four units a b c and d you are asked to select two out of these four units how do you go about this particular
magnetismeveryone has seen and handled a magnet in the form of a straight or horseshoe-shaped bar of steel or steel-alloy the magnet was originally
when three quantities a b and c are in gp then the geometric mean b is calculated as followssince these
learning geometric progression vis-aacute-vis arithmetic progression should make it easier in geometric progression also
when three quantities are in ap then the middle one is said to be the arithmetic mean of the other two that is if a b and
capacitor constructionfixed capacitorsfixed capacitors usually consist of sheets of metal foil between which is sandwiched the dielectric or
we know that the terms in an ap are given bya a d a 2d a 3d a n - 2d a n - 1dthe sum of all
factors affecting capacitancethe factors which affect the capacitance of a parallel-plate capacitor are overlapping area of the plates a the
a series is said to be in arithmetic progression ap if the consecutive numbers in the series differs by a constant value this
capacitanceif we increase the voltage between the plates the charge increases but the ratio of charge to voltage remains the same this ratio
capacitorswhen a voltage is applied to a capacitive circuit there is a change in the electric flux the ease with which this change takes place is a
electrical energyelectrical energy is the ability of an electrical system to do workenergy is expended when work is done and the amount of energy