The device for measuring the current or emf is connected within the circuit of the thermocouple. It measures the amount of emf flowing through the circuit due to the two junctions of the two dissimilar metals maintained at different temperatures. In figure 2 the two junctions of the thermocouple and the device used for measurement of emf (potentiometer) are shown.
Billboards are large advertising structures placed alongside busy roads to be noticed by drivers and passing pedestrians. It is sometimes called hoarding in other parts of the world. These billboards could attract pedestrians not only because they are large but also due to the variety of designs that it posses. It gives a designer so much room for customizing by using extensions and embellishments.
5 Most Common Advertising Techniques. A successful advertisement creates a desire in viewers, listeners or readers. It also provides information on how to fulfill that desire and makes the potential customer feel good about doing so. With so many products and service providers in the marketplace, using a proven technique in your advertising increases the likelihood that your ad dollars will return value. Basic techniques used in propaganda transfer successfully to advertising and remain the most frequently employed.