In a full wave rectifier ac voltmeter the meter movement has an internal resistance of 250 Ω and require a 1mA for full deflection .The diodes each has a forward resistance of 50 Ω and infinite reverse resistance. Calculate (a) The series resistance required for full scale deflection when 25 V rms is applied to meter terminals (b) the ohms per volt rating of this ac voltmeter.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter12: Electronic Control Devices
Section: Chapter Questions
Problem 3RQ: Diodes and rectifiers allow current to _________. flow in one direction only flow in both...
icon
Related questions
Question

In a full wave rectifier ac voltmeter the meter movement has an internal resistance of 250 Ω and
require a 1mA for full deflection .The diodes each has a forward resistance of 50 Ω and infinite reverse
resistance. Calculate (a) The series resistance required for full scale deflection when 25 V rms is applied
to meter terminals (b) the ohms per volt rating of this ac voltmeter.

Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Three Phase Controlled and Uncontrolled Rectifiers
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Electricity for Refrigeration, Heating, and Air C…
Electricity for Refrigeration, Heating, and Air C…
Mechanical Engineering
ISBN:
9781337399128
Author:
Russell E. Smith
Publisher:
Cengage Learning