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 Chihuahua is the smallest breed of dog in the world, also it's the only natural toy breed. This, however, is only the smallest breed in general. In other words, on averaâ¦ge, the Chihuahua is the smallest breed of dog, but some individual dogs may be exceptionally small. The smallest dog ever recorded was actually a Yokshire Terrier (also called a Yorkie) named 'Big Boss.' It was approximatley 3 inches long and 1 1/5 inches tall at the shoulder.