Which of the following statements is correct regarding transformers? a. if any current is present in the primary coil, a current will be induced in the secondary coil. b. the fewer loops present in the primary coil, the more current induced in the secondary coil. c. if an alternating current is present in the primary coil, a current will be induced in the secondary coil. d. a secondary loop with a small cross-sectional area will induce a greater current than a loop with a large cross-sectional area and the same number of loops.
Answers: 1
Physics, 22.06.2019 13:00, help1572
Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?
Answers: 1
Which of the following statements is correct regarding transformers? a. if any current is present...
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