Answer / Varunt Yagi

The principle behind a fluorescent tube (36W or otherwise) involves the conversion of electric energy into ultraviolet (UV) light, which in turn excites a phosphor coating on the inside of the tube. The excited phosphor then emits visible light as it returns to its ground state.

what is transformer?

4 Answers   Mphasis,

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why DC current not used in Transformer action?

17 Answers   Engineers India Limited,

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1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?

1 Answers   IBM, Kirloskar,

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why we use lamination or layer by layer cor used?

4 Answers  

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what is the power factor of an inductive load ? (i) Zero (ii) Lagging (iii) Leading (iv) Unity

5 Answers  

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what is the function of compressor?

2 Answers  

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Why is our voltage always seems to be 3.3Kv,11Kv,66Kvetc.. why not 40Kv,39Kv,65Kv???

3 Answers  

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xfhnchncv?

0 Answers  

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why the active power flow of some line is increased when the active power of out is cut ?

1 Answers   TAFE,

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What is the Impedance, inductive reactance calculations

0 Answers  

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Bimetal strip used in overload relay what is that,which types of material used for that & percentage.

1 Answers  

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Require Generator Capcity ( KVA ) for 3 Phase Motor having 4.7Kw with starting current of 16amps?

1 Answers  

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