rl circuit time constant
{"Image Artist": "Ahmed Faizan", "Image ExifOffset": "2136", "Image XPAuthor": "Ahmed Faizan", "Image Padding": "[]", "EXIF DateTimeOriginal": "2017:04:28 22:27:54", "EXIF DateTimeDigitized": "2017:04:28 22:27:54", "EXIF SubSecTimeOriginal": "59", "EXIF SubSecTimeDigitized": "59", "EXIF Padding": "[]"}