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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…
What Causes Black Smoke from a Diesel Engine?
Causes of Black Smoke from Diesel Engine When Accelerating Have you ever wondered what causes black smoke from a diesel…
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 are Stones Used in an Electrical Substation?
Why are Stones, Pebbles, Grit, and Gravel Used in a Switchyard? In an electrical substation, you’ll find many types of…
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…
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