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.
His ears are also wider than the smallest road-legal car, which is 26 inches wide, and you could comfortably fit the worldâs shortest dog, 6 inch long Brandy, who is also from the US, on each of Harborâs ears twice. The latest edition of Guinness World Records is published on September 15.