In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

0 Answers  

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what kind of motors are used in the winders of coal field?and what are the various methods of it's speed control?

1 Answers   Monnet,

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depletion layer will form beforre biase or after bias ?

2 Answers  

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why surge protectetor work explain with the help of circut diagram?

0 Answers  

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1)Why potential transformer primary site grounded? 2)can be loop between neutral & body for grounding? 3)What is the difference between ELCB &RCCB? 4)Why we use iron core in transformer insted of wooden core? 5)what is the principle of excitation? 6)Why we test the core balance test for transformer? 7)what is creepage?What is the creepage length for insulators at different voltages? 8)How much type of relays used for differential protection of generator,transformer & busbar protection?

5 Answers  

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what is the meaning of impedance protected in instrument cooling fan

0 Answers  

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load increase means 1 resistance increase 2 load resistance decrease 3 current increases through load 4 none of these

3 Answers  

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what is the name for a meter/tester to measure the paint quality in electrical panel or wall?

1 Answers  

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what is the reason of capacitor failure in alternator which is working with 10 kva dgset

0 Answers  

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What is the function of an Auto reclosure relay. How does it work??

4 Answers   KSEB,

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An AC coil to give DC supply whats happen in the coil.what type of problem are create.

2 Answers  

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How we calculate the size of ht cable for any transformer

0 Answers   WalMart,

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