For the following questions answer them individually
Generally the no-load losses of an electrical machine is represented in its equivalent circuit by a _____.
If the number of bellows elements is made double and the thickness of the bellows element is made half, the displacement of the element for the same applied pressure would be the _____.
A transducer that converts measurand into the form of pulse is called the ___________ transducers.
In wire wound strain gauges, the change in resistance under strained condition is mainly on account of _____.