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.
Read on to see which cats are Guinness World Record holders and for what. As of 2013, a cat by the name of Lilieput is the shortest cat alive. Sheâs 5.25 inches tall and that makes her very little. She is, not surprisingly, a munchkin cat by nature â not just because she is, well, a munchkin.