Jun 5, 2013 #1 H haitham999 Newbie level 2 Joined Jun 5, 2013 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,295 please , can anyone help me to answer these questions : 1- state the principle of digital voltmeter. 2- define the sensitivity of a moving coil meter. 3- explain the design of three phase wattmeter and give the reactive power measurement in 3 phase circuits. 4- explain the function of three phase wattmeter and energy meter. 5- sketch the circuit and waveforms for AC voltmeter using a PMMC instrument and half wave rectifer. explain the circuit operation.
please , can anyone help me to answer these questions : 1- state the principle of digital voltmeter. 2- define the sensitivity of a moving coil meter. 3- explain the design of three phase wattmeter and give the reactive power measurement in 3 phase circuits. 4- explain the function of three phase wattmeter and energy meter. 5- sketch the circuit and waveforms for AC voltmeter using a PMMC instrument and half wave rectifer. explain the circuit operation.
Jun 5, 2013 #2 crutschow Advanced Member level 6 Joined Feb 22, 2012 Messages 4,469 Helped 999 Reputation 1,996 Reaction score 1,129 Trophy points 1,393 Location Colorado USA Zulu -7 Activity points 25,337 So you want us to do your homework for you? What answers have you found so far?
Jun 5, 2013 #3 H haitham999 Newbie level 2 Joined Jun 5, 2013 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,295 crutschow said: So you want us to do your homework for you? What answers have you found so far? Click to expand... no , my dear just i want to compare between my answer and another answer .. almost i found all answer except last question ..
crutschow said: So you want us to do your homework for you? What answers have you found so far? Click to expand... no , my dear just i want to compare between my answer and another answer .. almost i found all answer except last question ..
Jun 6, 2013 #4 Borber Advanced Member level 5 Joined Dec 31, 1999 Messages 1,600 Helped 235 Reputation 472 Reaction score 111 Trophy points 1,343 Location on third flor Activity points 11,863 You should post your answers so we can say shortly yes or no instead of writing long text for each question.
You should post your answers so we can say shortly yes or no instead of writing long text for each question.
Jun 6, 2013 #5 amitjagtap Full Member level 5 Joined Jan 10, 2007 Messages 304 Helped 42 Reputation 84 Reaction score 36 Trophy points 1,308 Activity points 3,273 I have Answer to all question...... . . .\ . .Bla..bla ..bla....bla...bla.............. ..... . . . . Well it is meaning less for you untill n unless you do it yourself....
I have Answer to all question...... . . .\ . .Bla..bla ..bla....bla...bla.............. ..... . . . . Well it is meaning less for you untill n unless you do it yourself....