what is the Space heater? why using in Electrical motor?

3 Answers  

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what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq

0 Answers  

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kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

0 Answers  

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The moisture in air will condense at

0 Answers   Caterpillar,

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Should transformer earthing pit, to be connect to earthing mat in Substation

4 Answers  

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Why current leads the voltage in case of capacitor load? Why voltage leads the current in case of inductive load? Why both are with in phase in case of restive load?

3 Answers   TATA,

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In india the power supply is always in multiple of 11, eg.220 V, 440 V... what is the reason?

11 Answers   BSES, Electrical, L&T, PSIT,

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Why transformer rating is represent in KVA?

7 Answers   Bhel, Sonalika, Usha Martin, Wipro,

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What are the different methods for calculating Short Circuit Curren?

3 Answers  

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Multi-step core is used in transformer to: A) Increase the output B) Decrease the cost of core material C) Decrease the cost of copper D) Increase the efficiency

1 Answers   Accenture,

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What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)

0 Answers   Equate,

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can we say current flows inside an atom as electron moves inside an atom?

7 Answers   Vedanta,

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