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Harmonics current

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...
battery-less cellphone

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...
Power Factor Calculator

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...
Electrical Engineering Interview Q&A

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...
Learning Attitude

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...
Convert HP to KW and vice-versa

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...
Batteries

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...
Transparent Luminescent Solar Cell

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...
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