a voltmeter shows 100v..wat is to be done to make it read 150v.
Answers were Sorted based on User's Feedback
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.
Is This Answer Correct ? | 17 Yes | 0 No |
Answer / praful nandankar
Resistor is added in series to increase the voltmeter range.
Is This Answer Correct ? | 8 Yes | 1 No |
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
Is This Answer Correct ? | 4 Yes | 1 No |
Answer / latha
increase the number of turns in the pressure coil
Is This Answer Correct ? | 3 Yes | 6 No |
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...
Is This Answer Correct ? | 0 Yes | 3 No |
What is rotary phase converter?
Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?
at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?
What is the function of the auto reclosure relay?
what type of earthing do for dry fissure rock?
Hi, I'm running plastic reprocessing company where all motors are running only in delta. Due to that when I use start my 30 hp motor my transformer gets fuse. Where it happens two times a day. I gt a suggestion from a person about Automatic Power Factor Controller APFC. Is it useful for my problem??? Or is der any other way for solving this problem?? Upgrading the transformer is difficult. Pls give Me ur suggestion. Waiting for ur reply.
2 Answers Shree Lingaa Polymer,
how to calculate the loss tangent of electrical cables
What is error of a measurement?
The neutral&earth voltage is 0v.But we were connected the lighting load at the time ballast was failed.why?
1600kva capacity Transformers how the bucholz relay,Oil temperature,winding,surge relay relays setting are to be done
DIFFERANCE BETWEEN function of ELCB? function of rccb? function of mccb? function of acb? function of mcb?
What are the functions of temperature scanner in power transformer?