Electrical Engineering
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 Contactor and Starter
Difference Between Contactor and Motor Starter A magnetic starter works much like a magnetic contactor in both design and function.…
Difference between Circuit Breaker and Fuse
Main Difference Between Fuse and Circuit Breaker Circuit Breaker and Fuse are essential parts of an electrical system that protect…
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 Circuit Breaker and Isolator / Disconnector
Difference Between Circuit Breaker and Isolator / Disconnector Electrical safety is something everyone understands is important, but many people don’t…
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 Battery Rated in Ah (Ampere hour), Not in VA?
Why are Batteries and Cells Rated in Ah (Ampere-hour) and Not in VA or Watts? A battery stores energy in…
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 are there Grooved Slots in the Pins of Two Pin Plugs?
Why are the Pins Slotted in 2 or 3-Pin Plugs? If you look closely at many common plug types—such as…
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…
