Answer / k.prakashchandra

emf of a single cell is 2V

Answer / trambakb

It is due to the fact that to make a battery work we need
atleast 2 plates viz. +ve and a -ve one.so mostly battery
voltage is in multiple of 2.

What will Happened if the polarity of CT is changed?

13 Answers  

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Why 50hz and 60hz frequencies are used by the world, why they are not taking 55hz?

3 Answers  

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my question is that....few days ago i had installed a three phase motor starter for an electric saw.the motor will run and make the hydraulic pressure which will be goes to pressure cylender by up and down lever.two number of limitswitches are also installed on cylinder for safety of motor.now when the arm of cylinder reaches to the upper or lower limit it will cut the motor's line.and motor will be stop.now wana know that what will i do that motor runs continue after the limitswitch cut it down but it shold not be made any pressure.pls answer me in brief.

3 Answers  

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1.Can anybody explain Why starters are not used for motor starting in industries? 2.

7 Answers  

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why the neutral line is not giving shock to us if we touch it ?

0 Answers   GPREC,

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MCB is used for high rating &MCB is used for lower rating.What is technical difference between ACB & MCB?

7 Answers  

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what do you mean by the "bay" in a switchyard? how to determine exact number of bays in a substation?

8 Answers   Essar, L&T,

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along with technical test papers

0 Answers   Vee Technologies,

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Brief function of stepper motor

1 Answers  

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What is Residual Voltage & Residual Current?

4 Answers  

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I have 1500/1A CT If i connect this CT in 6.6KV bus bar means what will be the voltage present in CT?

0 Answers   KCL, MPC,

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hello friends this is krunal here.. i have applied for he officer train in hpcl electrical stream.. any one who have applied before for electrical stream please help me out.. post ur reply to my mail id: krunal_airforce@yahoo.com.. any tips, old questions for paper or any help will do.. plz help me.. your faithfully, Krunal Darji

0 Answers  

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