Download NCERT Class 9 Hindi Books PDF 2025-26 – Kshitij, Kritika, Sparsh & Sanchayan. Access the latest updated editions for Hindi A and Hindi B free in PDF format.

This letter presents a closed-form algorithm for estimating the three-dimensional (3-D) location (azimuth angle, elevation angle, and range) of a single source with uniform circular array (UCA). Based ...

In this article, the array circular coils of wireless power transfer (WPT) with a compensation structure have been proposed, which can be obtained by analyzing the magnetic field trajectory of the ...

The Central Board of Secondary Education (CBSE) has approved a proposal to integrate open-book assessments in Class 9 from the 2026-27 academic session, after a pilot study showed “teacher support” ...