Answer / k.prakashchandra

TVs having SMPS can work on low voltage.

Answer / k.prakashchandra

Because of SMPS ( switch mode power supply )

why there is a humming noise in transformer

8 Answers   Bhel,

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To generate electricity , what is the speed of rotor?

1 Answers   JEC,

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1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?

0 Answers  

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How can we deside Short Ckt level of electrical System,Breakers etc.please provide formula to find SC of HV side & LV side

0 Answers  

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although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?

0 Answers  

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one 60KVA UPS how can full load current tell me us formulas

1 Answers   Wipro,

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what is the carona effects meaning in HT line transmmission system

0 Answers  

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Why current Transformer is rated by 100A/5A/5A?

3 Answers  

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what role neutral plays in electrical circuit? If neutral is not there what will be the effect

1 Answers  

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what is the difference between indoor & Out door substations

5 Answers   HSBC,

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why to use 50hz only in tansmisson and as well as in distribution why not60hz?

2 Answers  

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what is the HT motor current setting (Motor protection relay)aganist FLA If the capacitor is connected in parallal to the motor to increase the P.F from 0.89 to 0.99. the setting is to be reduced. what is the formula for to calculate the current.(FLA - CALCULATED CURRENT!= )

1 Answers  

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