The Polynesian rat, or Pacific rat (Rattus exulans), known to the MÄori as kiore, is the third most widespread species of rat in the world behind the brown rat and black rat.he Polynesian rat is similar in appearance to other rats, such as the black rat and the brown rat. It has large, round ears, a pointed snout, black/brown hair with a lighter belly, and comparatively small feet.
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Power Factor â¢ The power factor of an AC electric power system is defined as the ratio of the real powerto the apparent power, and is a number between 0 and 1. â¢ Real power is the capacity of the circuit for performing work in a particular time. â¢ Apparent power is the product of the current and voltage of the circuit. â¢ Due to energy stored in the load and returned to the source, or due to a non-linear load that distorts the wave shape of the current drawn from the source, the apparent power can be greater than the real power.