- These provide information that enables human beings to take some prescribed action accordingly. A) Regulating trade, B) monitoring functions. C) measure physical quantities, D) standard units.

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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1)--
-- These provide information that enables human beings to take some
prescribed action accordingly.
A) Regulating trade , B) monitoring functions. C) measure physical quantities,
D) standard units.
2)-------- the output signal consists of a proportion of the external voltage source applied
across the two ends of the potentiometer.
A) Null-type , B) deflection-type C) passive instrument „D) active instrument.
3) The prerequisite for the reduction of systematic errors is a complete analysis of the---?
A) Measurement system, B) systematic errors, C) System disturbance, D) Errors.
4) Corona discharge can also cause voltage transients on the mains power supply. This
occurs when the air in the vicinity of---
A) high voltage a.c ,B) high voltage d.c ,C) Low voltage d.c , D) Low voltage a.c.
5) The measured a.c. voltage signal is applied to a small element. This heats up and the
resulting temperature rise is measured by a-----
A) Thermocouple , B)Thermo meter , C) Temperature meter , D)All.
Transcribed Image Text:1)-- -- These provide information that enables human beings to take some prescribed action accordingly. A) Regulating trade , B) monitoring functions. C) measure physical quantities, D) standard units. 2)-------- the output signal consists of a proportion of the external voltage source applied across the two ends of the potentiometer. A) Null-type , B) deflection-type C) passive instrument „D) active instrument. 3) The prerequisite for the reduction of systematic errors is a complete analysis of the---? A) Measurement system, B) systematic errors, C) System disturbance, D) Errors. 4) Corona discharge can also cause voltage transients on the mains power supply. This occurs when the air in the vicinity of--- A) high voltage a.c ,B) high voltage d.c ,C) Low voltage d.c , D) Low voltage a.c. 5) The measured a.c. voltage signal is applied to a small element. This heats up and the resulting temperature rise is measured by a----- A) Thermocouple , B)Thermo meter , C) Temperature meter , D)All.
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