a solenoid of inductance 250mH and resistance 10ohm is connected to a battery. the time taken for the magnetic energy to reach 1/4th of its maximum value will be?

1 Answers   SSC,

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what is the generation action and motoring action?

3 Answers  

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1hp single phase load = howmuch 3 phase load

0 Answers  

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what is phase angle ? and also tells me why my phase-phase voltages are 390 rather then my single phase voltages are 221 and 223 respectivly?

2 Answers  

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Name the test signals used in control system

0 Answers  

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how to calculate the power loss of cable?

1 Answers  

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Petroleum jelly is applied to the terminals of the lead acid battery is to prevent?

2 Answers   KSEB,

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what is the difference between dropout fuse and horn gap fuse. how to choose between them

1 Answers  

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why transformer neutral and CT Secondary neutral is connected to earth?

3 Answers   NCC,

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What is SNMP Card Monitoring in UPS???

2 Answers   Emerson, MAA, SNMP,

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 where the Motorized mccb to be used? In Motor control center panel starters ,it is use full. please answer  

1 Answers   Voltas,

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it is difficult to interrupt a capacitive current because (a)it has a leading power factor (b)current magnitude is very small (c)the restriking voltage can be high (d)stored energy in the capacitor is high

2 Answers   DGVCL Dakshin Gujarat Vij Company, MGVCL, UGVCL Uttar Gujarat Vij Company Ltd,

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