An instrument that measures electric current is a a

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11. An instrument that measures electric current is a ______.a. transformer b. motorc. commutator d. galvanometerSTUDENT ANSWER:CORRECT ANSWER:Dd
POINTS:1 / 112. A typical gasoline engine is approximately _____ efficient.Bb
POINTS:1 / 1
13. The atoms in a magnet are ______.Bb
POINTS:1 / 114. Petroleum, natural gas, and coal are the three kinds of ______.Cc
POINTS:1 / 115. Electric forces can be either repulsive or attractive, whereas gravitational force is always:a. attractiveb. repulsivec. both a and bd. neither a nor bSTUDENT ANSWER:CORRECT ANSWER:Aa
POINTS:1 / 1RATIONALE:Gravity always attracts.
16. In a step-down transformer, the number of turns of wire is greater in the ____ coil than in the ____coil, and the ____ voltage exceeds the ____ voltage.Ba
POINTS:0 / 117. A/An _____ is a device that is used to measure currents.Cc
POINTS:1 / 1RATIONALE:Galvanometers can detect very small currents.
18. Current that reverses direction in a regular pattern is called ____.Aa
POINTS:1 / 119. Solar collectors are parts of a(n) ____.a. active solar heating systemb. external combustion enginec. radiant heating systemd. passive solar heating systemSTUDENT ANSWER:CORRECT ANSWER:Aa
POINTS:1 / 1

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Term
Fall
Professor
GALE NEWTH

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