caption: goal for chapter 30 to learn how current electricity can be produced
exif: {"Image DocumentName": "To relate the induced emf to the rate of change of the current", "Image ImageDescription": "Goals for Chapter 30. To learn how current in one coil can induce an emf in another unconnected coil. To relate the induced emf to the rate of change of the current. To calculate the energy in a magnetic field.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}