The principle difference between a step-up and step-down transformer is
A) step-up transformers can handle more current.
B) different geometries.
C) different ratios of turns of wire for each.
D) none of the above
Answer: C
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a. True b. False Indicate whether the statement is true or false
A 50.0-kg person stands on a 200-kg raft, which is at rest. She starts to walk on the raft with a speed of 3.00 m/s with respect to the raft. What is the speed of the person relative to the water?
A) 2.40 m/s B) 0.225 m/s C) 0.500 m/s D) 0.750 m/s E) 1.20 m/s
A star on the ____________________ generates enough energy from nuclear fusion to halt gravitational collapse
Fill in the blank(s) with correct word
A(n) _____________material has the same properties in all directions.
Fill in the blank(s) with the appropriate word(s).