The turns ratio required to match a 50 ? source to a 200 ? load is ________
A) 1:4 B) 4:1 C) 1:2 D) 2:1
C
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Seedless vascular plants reproduce from ________ rather than seeds.
Fill in the blank(s) with the appropriate word(s).
All 125V, single-phase, 15A and 20A general-purpose receptacles mounted in an area of an agricultural equipotential plane are required to be of what type?
a. Twist load b. Arc fault c. Tamper resistant d. Ground fault circuit interrupter
Soils that are transported and deposited by moving water are _____
a. alluvial c. volcanic b. eolian d. loess
Which one of these statements is TRUE?
A) An insulator has very few free electrons in the valence ring. B) Air provides better insulation qualities than do solid materials such as glass or mica. C) An insulator allows no current to pass, regardless of the magnitude of the applied voltage. D) Insulator materials typically have four electrons in the outermost valence ring.