What is an Arc ? | Arc in Circuit Breaker Before going through details of arc quenching or arc extinction technologies employed in circuit breaker we should know first what is arc actually. What is an Arc ?
Meet the World's Tallest and Shortest Dogs! Gibson and Boo Boo. These are the extremes: the world's tallest dog Gibson (7 ft / 2.1 m tall when standing on his hind legs) has met Boo Boo (4 in / 10 cm high) the world's smallest dog in Sacramento, California for Guinness World Records Day 2007.
The Great Dane is one of the tallest dog breeds. The record holder for tallest dog was a Great Dane called Zeus (died September 2014; aged 5), that measured 111.8 cm (44.0 in) from paw to shoulder. Scooby-Doo is a famous fictional dog of this breed.