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Question :
(a)(1) Show different types of voltmeters commonly used.
(2) A basic d'Arsonval meter movement with an internal resistance Rm = 100 ?,and a full scale current of Im = 1mA is to be converted into a multi-range d.c.voltmeter with ranges of 0-10 V,0-50 V, 0-250 V and 0-500 V. Find the values of the various multiplier resistances
(b) With the help of a circuit diagram explain the functioning of the peak responding voltmeters
(c) Compare the merits and demerits of analog voltmeters with digital voltmeters.
(d) What are the the main source of measurement errors encountered while using a Wheatstone bridge for precise measurement of resistances.
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why conductance is not zero at end pont? reply as soon as possible.
A three-phase, 4160 V, 60 Hz, 3000 kVA generator supplies the following three phase loads: A 00 kVA at .7 pf lagging, D 00 kVA at .9 pf lagging, and C 50 kVA at unity pf.
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just to put an assignment Give only short details that are important Specially bised clamper
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Q. A60-Hz, three-phase transmission line has a total per-phase series impedance of 35+j140 .Ifit delivers 40 MW at 220 kV and 0.9 power factor lagging, find: (a) The voltage, c
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