https://hi.khanacademy.org/science/bridge-course-class-12th-physics/x3cfc85e6d33cc178:electricity/x3cfc85e6d33cc178:electric-current-and-potential/e/electric-current-and-circuit 2026-04-08T08:46:38.570038857Z विद्युत धारा और परिपथ (Electric current and circuit) आइए कुछ प्रश्न हल करें! vibhor exercise