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Physics, 21.06.2019 19:30
Act has a 1200: 5 or 240: 1 turns ratio. it is short circuited. what is the maximum current at 1200a primary if we put a 100ohm resistor across the secondary end of the ct. use it as current source circuit.
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When you turn on a battery-operated device, an electrical circuit is
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Physics, 22.06.2019 01:20
Your target variable is δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. write an expression for δf in terms of the relevant frequencies using the subscript notation introduced above.
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Physics, 22.06.2019 08:00
Who was the first scientist to measure speed as distance over time?
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một xe tải A có khối lượng 3 tấn , kéo 1 xe tải B có khối lượng 2 tấn bằng 1 dây nhẹ . Hệ số ma sát...
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