electrical engineering basics
Why is the Earth Pin Thicker and Longer in a 3-Pin Plug?
Why Is the Earth Pin Longer and Larger in a 3-Pin Plug? Electricity is both useful and dangerous. It can…
If a 1-Phase Supply is 230V, Why is 3-Phase 400V & Not 690V?
When Single Phase Supply Voltage is 220V, Why is Three Phase 440V and Not 660V? In an alternator, three separate…
Why 3-Phase Power? Why Not 6, 12 or More for Power Transmission?
Why is Only a 3-Phase Power Supply System Used Instead of 2-Φ, 4-Φ, 6-Φ, 12-Φ, or More Phases for Power…
Difference between Capacitor and Battery
Difference Between Capacitor and Battery A battery is an electronic device that changes chemical energy into electrical energy to supply…
Difference Between Relay and Circuit Breaker
Differences between Circuit Breaker and Relay A relay is an electrical switch that works as both a sensing and controlling…
Why is a Transformer Rated in kVA, and Not in kW?
Why are Transformers Always Rated in kVA Instead of kW? As the name suggests, a transformer is an electrical device…
Why is an Electric Motor Rated in kW instead of kVA?
Why are Electric Motors Rated in kW or Horsepower (hp) and Not in kVA? We know that a transformer is…
Why is a Capacitor Needed for a Single-Phase Motor?
Necessity of Capacitors in 1-Phase Motors A capacitor is an essential component in a single-phase motor because it provides the…
Why Don’t Birds and Squirrels Get Electrocuted on Power Lines?
Why Don’t Birds Sitting on Power Lines Get Electrocuted? We often say that electricity is both our best friend and…
