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Lenz’s law of motor- Principle theory of motor A current carrying conductor will experience a force when placed in a magnetic field. T... -
Ques-1: What is a transformer and how does it work? Ans: A transformer is an electrical apparatus designed to convert alternating curr...
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Homemade wind generators are becoming an increasingly popular way to reduce reliance on fossil fuels and reduce increasing utility bills by... -
Ques-5: Why efficiency of transformer is high? Ans: Transformer is a static device which transfers the power from one circuit to othe...
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Ques-17: Can 4-Winding Single Phase Transformer be auto-connected? Ans: Yes. There are occasions where 480 volts single phase can be st... -
Ia = (Vln –CEMF)/Ra. Ia = armature current Vln = line voltage to the motor Ra = armature resistance CEMF = voltage generated within th...
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Understanding Volt AMP (VA) rating: The VA rating of your unit represents the volume of electricity that the unit is designed to protec...
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Current Capacity Batteries are rated according to voltage and current capacity (ampere-hours). Each battery is composed...
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Model Question I Model Question Paper-I Part A State Kirchhoff’s laws. Define power. What is meant by Resonance? Define quali...
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