easleysl5828 easleysl5828

09-02-2024
Physics

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The self induced emf of a coil is 25 volts. When the current in it is changed at uniformed rate from 10 A to 25 A in 1s, the change in the energy of the inductances is
A. 740 J
B. 437.5 J
C. 540 J
D. 637.5 J

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