Voltmeters, Physics

Assignment Help:

Voltmeters:

Voltmeters are used to measure emf's and more commonly potential differences. The two probes of the meter are therefore connected to the two points between which the potential difference is required.

66_voltmeter.png

If the potential at A with respect to B is required, the red lead is connected to point A, the black lead point B.
If the potential at B with respect to A is required, the red lead is connected to point B, the black lead point A.
If the potential between a point and Earth or ground is required. The red lead is connected to the point and the black lead is connected to ground or Earth.

 


Related Discussions:- Voltmeters

What is friction? what are the factors affecting for it? adv, what is frict...

what is friction? What are the factors affecting for it? Advantages and disadvantages of it

Explain peltier effect, When current is passed by a junction of two dissimi...

When current is passed by a junction of two dissimilar solids, the temperature is either evolved or absorbed at the node. This effect is known as Peltier effect

., Askasdasdasd question #Minimum 100 words accepted#

Askasdasdasd question #Minimum 100 words accepted#

Explain width of principal maxima and intensity, Two grating A and B have t...

Two grating A and B have the same width of the ruled surface but A has greater number of lines. Giving reasons compare in two cases (a) Intensity (b) Width of principal maxim

Kilometers, Your car gets 34.7 mi/gal on a trip. How many kilometers/liter ...

Your car gets 34.7 mi/gal on a trip. How many kilometers/liter did it get?

Measurement of the thickness of a thin transparent mica slit, Q.   Describe...

Q.   Describe the method of measurement of the thickness of a thin transparent mica slit using Fresnel's Bi-prism. Give necessary theory. Draw suitable diagram. Measurement of

Disintegration, successive disintegration derive equation for nb

successive disintegration derive equation for nb

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd