Best Tutorial for Electronics & Electrical Engineer Interview Questions & Answers

In this tutorial, we are going to learn about Best Tutorial Electronics & Electrical Engineer Interview Questions & Answers. 1) What the number of parasitic elements in yagi antenna? The number of 2 parasitic elements. 2) What is the dominant mode in a rectangular waveguide is Dominant mode in a rectangular waveguide is TE11 3) … Read more

What are Photodiode and Its Working?

In this tutorial, we are going to learn about photodiode. What is Photodiode? It is two lead semiconductor devices which transform light energy to electric current. Below image of photodiode symbol. It is a semiconductor device with a P-N junction which converts photons into electrical current. The P layer has holes (positive), and the N layer … Read more

What is the Difference between SMD and Through-Hole Components?

In this tutorial, we are going to learn about the Difference between SMD and Through-Hole Components. What is SMD Component? SMD – Surface Mounted Device (SMD), which don’t require any PTH as the component will be soldered on the component side itself as shown in below image of SMD components mounted on PCB.  SMD is an … Read more