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.
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.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter30: Dc Motors
Section: Chapter Questions
Problem 6RQ: What is CEMF?
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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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9135b7fd-7e29-4de9-92f5-70608b7e3906%2F963a272b-5a7c-4c5b-bf90-a22dd5c473a8%2Fg97xd5_processed.jpeg&w=3840&q=75)
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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