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Why transformer ratings are in kva?
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Why motor are rated as KW while transformer rated in kVA?

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Name any two lamps with their ratings used in horticulture.

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Define the following ratings of a motor: (i) Horsepower rating (ii) Short-time rating

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What is the significance of inverter lifetime ratings?

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What is meant by SCR ratings like VDRM and VRRM?
Answer : In the context of **Silicon Controlled Rectifiers (SCRs)**, the terms **VDRM** and **VRRM** are related to the voltage ratings that describe the SCR's ability to handle voltage under specific conditions. ... direction of the voltage - **VDRM** for forward voltage, and **VRRM** for reverse voltage....

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There are a Transformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?

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Why hysteresis and eddy current losses occur in a transformer?

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Why energy conservation technique should be adopted in transformer even though its efficiency is mostly more than 90%.

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Why transformer is not used in half wave rectifier?

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