Answer / deepak shrivastava

It should be less than or equal to 0.1 ohms.

Answer / muhammad abid ali shah

Accurate value of earth resistance for the instrument and electronic circuits is 0.02 ohm

Answer / anindya chitta bagchi

.005ohms,according to IS Code 1961

why there is 1 phase and 3 phase but not 2 phase and 4 phase?

3 Answers  

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Difference between stepper motor & induction motor.

1 Answers  

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How much Fault current can be contributed by a motor?

4 Answers  

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why neutral can not used in three phase motor connection?

1 Answers   HSL,

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what is die electric strnth of transformer ?

0 Answers  

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what is difference between ELCB, RCBO & MCB

2 Answers  

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how DC motor operating in detail .pls any one guide me .iam not clear idea about that .thank u

2 Answers  

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6. A DC AMMETER HAS R=0.1 OHM & CURRENT RANGE IS 0-100 A IF THE RANGE IS TO BE EXTENDED TO 0-500 A THEN METER REQUIRES SHUNT RESISTANCE OF ..........

2 Answers   SSC,

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How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?

0 Answers   Panacea,

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whenewher three phase supply is given to induction motors revolving/rotating field is created & rotor rotates.When the three phase supply is given to three phase transformer then revolving,/rotating field is created or not? if not why?

1 Answers  

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Is it possible to power factor more than unity?

9 Answers   BEL,

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how does it help for selection of a transformer.

0 Answers  

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