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.
In fact, for years, two small dog breeds â the Yorkshire Terrier and the Shih Tzu â have landed a place on the American Kennel Clubâs registry of Most Popular dogs in the U.S. The top 10 smallest dog breeds (in alphabetical order) are: 1. Bichon Frise. 2. Boston Terrier. 3. Chihuahua. 4. French Bulldog. 5. Papillon. 6.