Technician A says that a magnetic field is created in the alternator rotor. Technician B says that alternator output is increased if the speed of the alternator is decreased. Who is right??
A) A only B) B only C) Both A and B D) Neither A nor B
A
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A PV collector converts 0.37 of the? solar power to electrical power. If 820.2 W falls on a collector, how much electrical power is produced by the collector?
Fill in the blank(s) with the appropriate word(s).
Andrew Jackson's military exploits were instrumental in the United States gaining
A. a peaceful and just conclusion to the territorial and settlement conflicts involving the Seminole Indians of Florida. B. possession of Florida from the Spanish. C. joint fishing rights in Labrador, Nova Scotia, and Newfoundland. D. naval limitations on the Great Lakes. E. gaining control of eastern Texas.
When gutters are installed on a metal roof, the gutter material should be compatible with the roof metal to avoid ____ that occurs between different materials.
A. galvanic corrosion B. rust C. friction D. decay
If the stator windings of a motor are connected in delta during the starting period, the starting current will be ____________________ times the value if the windings were connected in wye.
Fill in the blank(s) with the appropriate word(s).