QI:A: Design a multi-range ammeter of 0.5 and 1 Amp. using a PMMCgalvanometer) of SOLN internal resistance and full-scale current of 1 ma. Show the way of connection with the load R B: What are the things that must be taken into consideration practically when using the ammeter.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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QI:A: Design a multi-range ammeter of 0.5 and 1 Amp. using a PMMC(galvanometer) of
500 internal resistance and full-scale current of 1 ma. Show the way of connection with the
load Ri-
B: What are the things that must be taken into consideration practically when using the
ammeter.
Q2: Design series ohmmeter using PMMC of 1000 internal resistance and 0.4ma full-scale
deflection current. The required half-scale deflection is equal to 9kla Juse a battery of 9v].
Sketch the internal circuit diagram of the ohmmeter. Sketch also roughly the scale of the
designed meter.
Transcribed Image Text:Answer All Questions: QI:A: Design a multi-range ammeter of 0.5 and 1 Amp. using a PMMC(galvanometer) of 500 internal resistance and full-scale current of 1 ma. Show the way of connection with the load Ri- B: What are the things that must be taken into consideration practically when using the ammeter. Q2: Design series ohmmeter using PMMC of 1000 internal resistance and 0.4ma full-scale deflection current. The required half-scale deflection is equal to 9kla Juse a battery of 9v]. Sketch the internal circuit diagram of the ohmmeter. Sketch also roughly the scale of the designed meter.
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