O Consider rotating the coil about the vertical diameter by pulling the left side toward the reader and pushing the right side away from the reader in a magnetic field that points from right to left in the plane of the page. In which direction will the induced current flow at the moment it begins to turn? A. Clockwise B. Counterclockwise C. No current will flow OWhich figure is physically reasonable? v=0 I 1 D. None of these 2 ст OThe magnitude of the induced emf around this 2 cm loop is: A. 200 V В. 50 V B (T) 0.50 - С. 2 V D. 0.5 V 0.25 E. 0.02 V 0.00 1 (s) 0.01

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Electromagnets

The word "electromagnet" is composed of two words, ‘electro’ and ‘magnet’. It is a type of magnet in which an electric current helps in the generation of a magnetic field. Electromagnets usually consist of two major parts, wire and a coil around which the wire is wound. This is called a solenoid. When an electric current is allowed to pass through the coiled wire, the electric current produces a magnetic field. This magnetic field is present only when current is passing through the wire.