Answer / hareesh k.s.

computer has metal outer body.that may cause electric shock
if there any contact between b/w metal body and line.so
earthing is must for computers.tv has no metal outer
parts.

Answer / sajid

s the computer need the earthing so that it has three pins n
tv doesnt need so it has 2 pins

In LRS how much water PH value maintain for good operation of motor?

3 Answers  

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How do I know if a transformer is saturated? I am doing the simulation of the saturation of a transformer, but what parameter tells me when a transformer is saturated? How do you calculate? is on the plate?, there is a rule that can help me? How could model? I understand the saturation occurs when the flow can no longer bind to the other winding, this is given to certain current, this current is the same that appears as the highest in the bale of features? Thank you for your help Eduardo Alvarez Guatemala

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why to need a electrical earthing?

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what the main difference of the 3 phase and 2 phase power supply??

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meter ratio is 100/5 CT ratio is 125/5, when the ratios changes i.e., CT ratio is 125/5 meter ratio is 100/5 what is the MF in boths conditions?

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one cable insulation resistance 200 mega ohm. how find 250 meter cable resistance.

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