Explain working of voltmeter, Electrical Engineering

Assignment Help:

Q. Explain working of Voltmeter?

In order tomeasure the potential difference between two terminals or nodes of a circuit, a voltmeter is connected across these two points. A practical voltmeter can usually be modeled as a parallel combination of an ideal voltmeter (through which no current flows) and a shunt resistance RV,as shown in Figure. The internal resistance RV of an ideal voltmeter is infinite, while its value in practice is of the order of several million ohms. There are what are known as dc voltmeters and ac voltmeters. An ac voltmeter usually measures the rms value of the time-varying voltage.

2448_Voltmeter.png


Related Discussions:- Explain working of voltmeter

Explain about common channel signalling, Q. Explain about Common Channel Si...

Q. Explain about Common Channel Signalling? Common Channel Signalling (CCS), centralized maintenance and automatic faultdiagnosis and interactive human-machine interface are so

What is ringer circuit in telephone hand set, Q. What is Ringer Circuit in ...

Q. What is Ringer Circuit in telephone hand set? Purpose of the ringer is to alert destination party of incoming calls. Audible tone from the ringer should be load enough to be

What is ammeter, What is ammeter An ammeter is an instrument used to ca...

What is ammeter An ammeter is an instrument used to calculate current and must be connected in series with the circuit.

Cpopy 16 bit data register pair , cpopy 16 bit data  Register pair E...

cpopy 16 bit data  Register pair Example  : Copy  16 bit  data 3 E 21H  in register pair BC Solution   :The  statement  is LXI B 3E 21H 16  bit data  3E 21H in reg

Meters and measurements, The subject of electrical measurements is such a l...

The subject of electrical measurements is such a large one that entire books have been written on the topic. Only a few basic principles will be introduced here. Practical measurem

Discuss the control words of ic8259, Discuss the control words (ICWS) of IC...

Discuss the control words (ICWS) of IC8259. The Intel 8259 is a single chip programmable interrupt controller. It is compatible with 8086, 8088 and 8085 microprocessor. It is a

Balance Business Score Card in KPI, Balance Business Score Card in KPI ...

Balance Business Score Card in KPI Information Age The current era is driven by the information. It is a revolutionary transformation and industries are competing in th

Explain the operation of oscillators, Q. Explain the operation of oscillato...

Q. Explain the operation of oscillators. Oscillator is a circuit that changes dc energy from the power supply into ac energy. An amplifier provided with a positive feedback bec

Explain the architecture of cellular networks, Wireless and Mobile Communic...

Wireless and Mobile Communication 1. Explain the architecture of Cellular Networks. 2. Discuss the fundamentals of GSM Network. 3. Explain briefly the different interface

Find the approximate values of gain and phase margins, Q. Sketch the asympt...

Q. Sketch the asymptotic Bode plots for the following loop-gain functions, and find the approximate values of gain and phase margins in each case.

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