An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave.
Elasticity of supply measures how the amount of a good changes when the producer hires more employees. Elasticity of supply measures how the amount of a good changes when the producer uses new materials. Elasticity of demand measures how the amount of a good changes when its price goes up or down. Elasticity of demand measures how the amount of a good changes when its distribution expands.
Thus elasticity of supply is defined as ratio of percentage change in demand to corresponding change in supply. It is possible to conceive situation when the supply of a commodity by a particular supplier will be completely inelastic within a given price range, that is, there will be no change in quantity offered for supply for changes in prices within that range.