Answer / john

gass lamp

how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size

0 Answers   Tyco,

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In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

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what happens if dc supply is given and the remedies for it.

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Please give me a erda placement paper

0 Answers  

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how the find ct mf and mf roll in metering

1 Answers  

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How many losses in generators? how we can reduce them? and also in motors,transformers?

1 Answers  

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In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above

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In oil transformer which oil is used & what should be the insulation resistance & heating capacity.

2 Answers  

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How each of the following losses occur in d.c machines (i) copper (2)core (3) windage (4)friction please help me

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how the direction relay sense rhe directional fault?it's forward or reverse?

2 Answers  

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What is an 86-P or an 86-A trip

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which protection are used for turbo generator in thermal power plant.

1 Answers   Grasim,

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