How can we convert dc to equivalent ac??

4 Answers  

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I Just want do EHS Certified Certification Distance Course From Govt approved,so can any body provide me details.

0 Answers  

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What is different type of Electrical curve and how it protects the equipment's while up-normal situation?

0 Answers  

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why output is out of phase in case of common emitter?

0 Answers  

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How can i check a relay good or not?

2 Answers  

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how to find the ballast lost from the actual wattage? for example i am going to buy decorative type 2x36watts fluorescent light fitting for this lamp how to find the ballast lost? is there any formula?

2 Answers   MEIL,

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While testing the value of the resistance for the earthing rod, two auxillary rods are connected to the earthing tester.What is the working function of a earth tester?

0 Answers  

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why transmission is done in delta system

4 Answers  

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How earthing of switchgear system to be done.

0 Answers   KSEB, L&T, Siemens,

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Dear sir, we are getting voltage fluctuations suddenly for 2 or 3 minutes again it becomes normal. we checked each and every connection some times we are getting 110 volts like that from earth to neutral again it is reducing we are getting supply from 45 kva DG set give earthing properly.

3 Answers   Triveni,

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What is the feedback in the control system?

0 Answers  

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why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts we can not ground the battery.

6 Answers   GE,

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