The figure below shows an AC source, a transformer with a turns ratio of N₁/N₂ = 2.70, a source resistor Rs, and a load resistor R₁. Rs www AV, N₁ eeeee N₂ RL (i) L A voltmeter across the load resistor measures an rms voltage of 25.0 V when the load resistor R₁ is 49.00 and the rms source voltage is AVS = 85.0 V. (a) Determine the value of the source resistor R, (in Q2). Ω Ω (b) What If? If the turns ratio is increased to 3.00, determine the source resistance (in (2) required to deliver the same amount of power to the load.

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.7P: Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor,...
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The figure below shows an AC source, a transformer with a turns ratio of N₁/N₂ = 2.70, a source resistor Rs, and a load resistor R₁.
Rs
www
AV,
N₁
eeeee
N₂
RL
(i)
L
A voltmeter across the load resistor measures an rms voltage of 25.0 V when the load resistor R₁ is 49.00 and the rms source voltage is AVS = 85.0 V.
(a) Determine the value of the source resistor R, (in Q2).
Ω
Ω
(b) What If? If the turns ratio is increased to 3.00, determine the source resistance (in (2) required to deliver the same amount of power to the load.
Transcribed Image Text:The figure below shows an AC source, a transformer with a turns ratio of N₁/N₂ = 2.70, a source resistor Rs, and a load resistor R₁. Rs www AV, N₁ eeeee N₂ RL (i) L A voltmeter across the load resistor measures an rms voltage of 25.0 V when the load resistor R₁ is 49.00 and the rms source voltage is AVS = 85.0 V. (a) Determine the value of the source resistor R, (in Q2). Ω Ω (b) What If? If the turns ratio is increased to 3.00, determine the source resistance (in (2) required to deliver the same amount of power to the load.
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