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Consider the following statements regarding reciprocity theorem : 1. In any passive linear bilateral network, if the single voltage source Vx, in branch x produces the current response Iy, in branch y, then the removal of the voltage source from branch x and its insertion in branch y will produce the current response iy in branch x. 2. The interchange of an ideal voltage source and an ideal ammeter in any passive, linear, bilateral circuit will not change the ammeter reading. 3. The interchange of an ideal current source and an ideal voltmeter in any passive linear bilateral circuit will change the voltmeter reading. Which of the above statements are correct ?
Consider the following statements regarding electronic voltmeter. 1) The detection of low-level signals is not possible using the electronic voltmeter 2) MOSFET is used at the input of the electronic voltmeter 3) Vacuum tube voltmeters (VTVM) consumes more power as compared to any non-electronic voltmeter. Which of the following is / are incorrect?
A resistance R is measured using the connection shown in the below figure. The current measured is 10 A on ranges 100A and the voltage measured is 125 V on 150 V range. The scales of the ammeter and voltmeter are uniform. The total number of scale divisions of the ammeter is 100 and that of the voltmeter is 150. The scale division can be distinguished. The constructional error of the ammeter is ± 0.3% and that of voltmeter±0.4%. The resistance of the ammeter is 0.25 Ω. The possible error in the measurement of R is?
An ideal voltmeter has ___________ equivalent resistance and ideal ammeter has ___________ equivalent resistance.
A voltmeter has a resistance of G ohms and range V volts. The value of resistance required in series to convert it into voltmeter of range nV is ___________.
An ideal ammeter has infinite resistance and an ideal voltmeter has zero resistance.
Which Statements is / are correct ? A. An ammeter is connected in series in a circuit and a voltmeter is connected in Parallel. B. An ammeter has a high resistance C. A voltmeter has a low resistance
The input impedance of the permanent magnet moving coil (PMMC) voltmeter is infinite. Assuming that the diode shown in the figure below is ideal, the reading of the voltmeter in Volts is
Calculate the reading of voltmeter when 110 V 50 Hz is supplied across PMMC voltmeter having internal resistance 10 kΩ and full-scale range of 0-220 V.
Consider the following statements: Any element is redundant if connected in a) series with an ideal current source b) parallel with an ideal current source c) series with an ideal voltage source d) parallel with an ideal voltage source Which of the above statements are correct?