Answer / madhusudhana

To increase Ammeter range, we add shunts and to increase voltmeter range, series resistance is connected to it. The device is calibrated accordingly.

Answer / praful nandankar

Resistor is added in series to increase the voltmeter range.

Answer / tinku

if you want to make the deflection of voltmeter on 150 volt
on appling 100 V you can reduce the series resistance of
voltmeter it will cause more current to folw through it and
will show more (false) reading. But if you actually want to
increase its range to 150 volt i.e. it can measure upto 150
V you have to increase the series resistance

Answer / muhammad ehsan ul haq

Add a resistor in series.

Answer / latha

increase the number of turns in the pressure coil

Answer / manoj sharma

Ther are following solutions.
1. increase the souce voltage up to 150V, which is being
measured by voltmeter.
2. volt meter measure the voltage by a niddle which is
clibrated to show difflection acording to magnetic force
develored in the potential coil. So increase the number of
turns up to 1.5 times of present no. of turns.
3. Replace the potential coil with new coil having
inductance 1.5 times of present potential coil.
Any way but why you want to do so.....plz tell me geetha...

Answer / cks

do a zero error of 50v..

What is ferrite affects and what is disadvantage of ferrite affects.

1 Answers  

how we will deside the high voltage value

0 Answers  

400Kv,can it be generated?why?

2 Answers  

what is the IS foe lightning arrester?

0 Answers  

without any theoretical calculations, can u approximately tell the current rating of a motor(above 30hp)working at 415VAC.

7 Answers  

what is the difference between the characteristics of two different phase bushing of any transformer

0 Answers   NIT,

The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

0 Answers  

VCB in closed position during opertion if vaccume break then what will happend? it has any protection ?

1 Answers  

i am BSEE student, my project study is to synchronize the generator of an hospital, it have a one 313KVA standby-power diesel gen.,and three 100kva transformer.The generator system is operated manually and no ATS or UPS. one more new building is being build so the transformer will be upgrade to a higher vale. 1)how i can connect the new gen. to the old gen. and to the synchronize panel? 2)what is the new gen. to be buy?(rating, etc.) These is my title: To synchronize the generator system of the ____ Hospital. Anyone have a good title? Thanks.

1 Answers  

how to claculate earth strip size for 1500kVA transformer for neutral and body

4 Answers  

what is difference between neutral and ground wire?

2 Answers   TCS,

How equivalent impedance is calculated in thevenin theorem?

0 Answers