Home Blog
What are Harmonics current in Power System?
I was working in a factory as a plant maintenance engineer. While doing maintenance work, I found that few motors of the plant were...
World’s first Battery-less Cellphone Invented
Technology is moving very fast. Washington University researchers have invented battery-less cellphone.
How the battery-less cellphone works?
Question arises 'how a cell phone can work without...
How to calculate power factor?
Engineers often require to calculate power factor especially when they are working on site. This is a handy calculator for calculating power factor. Calculating...
Light Dependent Resistor: Working Principle and its Applications
What is an LDR?
An LDR is a photoelectric device. LDR stands for Light Dependent Resistor also known popularly as photo-resistor.
Working Principle of LDR
The semiconductor...
Interview Q&A for Electrical Engineering Part-1
What is Voltage?
Voltage is the force that moves free electron from one atom to another atom.
What is Current?
Current is movement of free electrons in...
Learn how to learn?
Want to become a leader? If yes, then learning attitude is one the key to becoming a successful leader. Technology is upgrading very fast....
Calculator to find Fahrenheit or Celsius
This is the handy calculator to find Fahrenheit if you know Celsius. However, you can find ºC as well, if you know ºF.
How to...
Horsepower (hp) Kilowatts (kW) Conversion
This is the handy calculator. You can convert either horsepower (hp) to kilowatts (kW) or kilowatts to horsepower with the help of this calculator.
How...
Lithium-ion Batteries for Electric Vehicles
The lithium-ion batteries are integral part in all the Indian Space vehicles including the PSLV, GSLV and satellites. The indigenous batteries can perform for...
Now our windows can also generate Electricity
Yes, you have heard it right. Now our windows can also generate electricity. A remarkable achievement by the team of Michigan State University researchers...