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 applied force, Applied Force (Fapp) : an applied force is a force t...

Applied Force (Fapp) : an applied force is a force that is useful to an object by a person or another object. If a person is approaching a desk across the room, there is applied fo

Semiconductor and data storage of electron microscopy, Explain semiconducto...

Explain semiconductor and data storage of electron microscopy. Semiconductor and data storage a. Circuit edit b. Defect investigation and c. Failure analysis.

Calculate the current needed to produce the flux, 1). A ring of outer diame...

1). A ring of outer diameter 80 cm is made from square of cross -section steel bar size(8 *8 cm) . If relative permeability 1200 for steel . calculate the current needed to produce

Motion of a swing, Motion of a swing Periodic Motion :  Motion that re...

Motion of a swing Periodic Motion :  Motion that repeats itself in equal intervals of time is known as periodic motion.

What is the symbol of the charge on the ball, Consider two identical plasti...

Consider two identical plastic foam balls each one having a thin sheath of aluminium foil. One of the balls has a few positive charges and the other has the same amount of negative

Determine relative permeability of a paramagnetic substance, The relative p...

The relative permeability of a paramagnetic substance is (A) Unity.         (B) Slightly more than unity. (C) Zero.           (D) less than unity. Ans: The relativ

Explain newton''s first law of motion, NEWTON'S FIRST LAW OF MOTION: Th...

NEWTON'S FIRST LAW OF MOTION: This law states that "A body at rest will remain at rest and a body moving with uniform velocity will carry on doing so, until acted on by some un

Calculate the sunrise local horizon points, This problem examines the seaso...

This problem examines the seasonal solar radiation budget at three geographical locations: the Equator, 40º North, and 80º North. NOTES: At a given geographical location, N

Determine the phase angle of the impedance, A transformer has 600 primary t...

A transformer has 600 primary turns and 150 secondary turns. The primary and secondary resistances are 0.25 and 0.01 respectively and the corresponding leakage reactances are 1.0 a

Define in detail about the test of good bricks, Define in detail about the...

Define in detail about the test and characteristics of good bricks. Tests for bricks 1. Absorption a brick is taken and it is weighed dry. It is then immersed in water for

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