Answer Posted / aon haider jafari

A normal diode is work in one direction forward bias,and opposes the reverse direction.But in Zener diode work both forward and reverse.In forward bias work normal diode and also work reverse zener voltage.zener use for voltage regulator and normal diode use for rectifier.bye only aon

What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

2202

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Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

1736

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why current flow to the opposite direction of flow of electrons???????????

2218

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how oti and wti connections are different from each other?

2122

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1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

11273

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A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

2310

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What do you understand by oldham's coupling ?

1124

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I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400

1861

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What are the weight of 800KV DA,DB and DC type tower ?

3196

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how does commutator convert a.c to d.c?

2238

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what happen if the supply is given to the stator of the 3phase induction motor with out assembling the rotor ?

1976

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Can clean earth cable be considered as low current cable

2013

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what is the breaking capacity and making capacity of circuit breaker and how

2175

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Why 3 phase induction motor getting supply in body if one of it's phase is cut

1779

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In the ACB breaker capacity is 2000Amp but this each phase taken 1250 But total beldibg load is 600amp or 700amp watt is the problem

2014

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