Which of the following has a lightweight coil attached to the pointer mechanism and another stationary coil, which is used as a magnet to provide the magnetic field for the moving coil?
A. Electrodynamometer movement
B. Voltmeter
C. Ohmmeter
D. Galvanometer
A
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Why is electricity distributed using extremely high voltages?
A) For safety because the insulation on the electrical distribution lines is not as effective at lower voltages. B) Higher voltages are easier to generate than lower voltages, so distributing them as a high voltage reduces equipment and saves money. C) To keep current as low as possible and reduce loss through the lines. D) High voltage electricity travels faster than lower voltage electricity and can get from one side of the country to the other in seconds.