Electrical Interview Questions
8 Posts
Buchholz relays protect transformers by detecting gas from faults, using floats to trigger alarms or disconnect power, ensuring safety and reliability.
An ideal transformer is a transformer with 100% efficiency, meaning no energy is lost as heat, magnetizing losses, or any other types of losses.
Explore the fundamentals of generators, transformers, and motors—how they work, their core principles, and the key differences that make each unique.
A comprehensive guide to Ohm's Law, Kirchhoff’s Current and Voltage Laws, and the basics of series and parallel circuits with practical examples for easy understanding.
Discover the key reasons behind transformer humming, from magnetostriction to loose components and harmonic frequencies, and understand the underlying causes.
Explore Thevenin’s, Norton’s, Maximum Power Transfer, Superposition, and Millman’s Theorems, key tools for simplifying and analyzing electrical circuits.
Learn about the differences between AC and DC, from theoretical concepts to real-life applications, and understand the ways in which they power our world.
Understand the key differences between generators and alternators, from theory to practical applications, and how they convert mechanical energy into electricity.