Electromagnetism: GK, Current Affairs, Questions, Trivia and News

Amazon launches Echo Flex

On 20 Nov, Amazon introduced the Echo Flex, a plug –in smart speaker in India.  The Echo Flex is a device that looks somewhat like an adaptor and plugs directly into a standard electrical outlet. It uses no wires or chargers. Once plugged in, turned on and set up using the Alexa app, Flex becomes ..

Researchers of UK develops renewable energy storage device

The researchers from Queen Mary institute of London have developed a new dielectric capacitor- a device that stores energy like a battery, taking inspiration from a French pastry. The croissant is made by folding multiple layers of dough. They found that by pressing and folding a polymer film capacitor, they were able to store 30 ..

IMD releases a report titled ‘Mid-Monsoon 2019 Lightning’

The report titled ‘Mid-Monsoon 2019 Lightning’ has been prepared by Climate Resilient Observing Systems Promotion Council (CROSPC), a research body of the India Meteorological Department (IMD). It’s a first-of-its-kind report on lightning incidents in India. As per report, in the 4-month period between April and July, Odisha recorded the highest number of lightning strikes in ..

Kandikuppa Sreekant takes charge as new CMD of Power Grid Corporation of India

Kandikuppa Sreekant has taken charge as the new Chairman and Managing Director (CMD) of Power Grid Corporation of India. He shall be on post till 31st December 2023 i.e. the date of his superannuation or until further orders, whichever is earlier. Prior to this post, he was serving as the director (finance) of Power Grid. ..

AAI signs MoU with SAMEER for research in Communication Navigation and Surveillance

The Airports Authority of India (AAI) has signed MoU with Society for Applied Microwave Electronics Engineering and Research (SAMEER) for joint research programs in the field of Communication Navigation and Surveillance (CNS). The SAMEER is an autonomous Research and Development (R & D) institute under MeitY. The MoU will provide a platform for Collaborative Research ..

Maharashtra launches ‘One farmer one transformer’ scheme to curb electricity losses

The Maharashtra government will launch ‘One farmer one transformer’ scheme from 15th August to curb electricity losses. Under this scheme, the state Government will provide electrical connection for high voltage distribution line to about two lakh farmers of the state. It will ensure uninterrupted power supply in the state.

Scientists at Harvard create world’s smallest radio out of diamond imperfections

Harvard scientists have created the world’s smallest radio receiver out of diamond imperfections called nitrogen-vacancy (NV) centres. The NV centers are capable of emitting single photons or detect very weak magnetic fields. When the NV centers receive radio waves it will convert them and emit the audio signal as red light. A common photodiode will convert ..

Smart grid to put India’s power network on par with China

A decision on rolling out a Rs 239 Crore proposal to deploy smart grid devices all over the India’s entire power transmission network is to be taken up. This will be an important step towards rescaling the firmness of the Indian electricity grid. It is proposed to integrate all five regional electricity grids in India ..