esistance of 3.5 ohm is placed on the horizontal surface of a table top between the poles of a laboratory electromagnet. Initially the electromagnet is turned off, but once it is turned on it produces a 1.5 T magnetic field that points vertically downward through the coil in a time of 0.25 s. (a) What are the absolute values of the initial and final magnetic flux through the coil? (b) What is the absolute value of the average induced emf in the coil? (c) What is the magnitude and direc
A 75 turn rectangular coil with dimensions of 25 cm by 30 cm and a resistance of 3.5 ohm is placed on the horizontal surface of a table top between the poles of a laboratory
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