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Equate Eq 1 to Eq 2 220 110 Ja (377L) R (154L) R+(377L) R(157L) 110-V 25 H: 220 l110 X 3R 43533 L R-120.461L O

Equate Eq 1 to Eq 2 220 110 Ja (377L) R (154L) R+(377L) R(157L) 110-V 25 H: 220 l110 X 3R 43533 L R-120.461L O

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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This question has already been answered, I just need an explanation or a more detailed computation of this problem. I'm having trouble with where and how did they get 3R ^2 = 43533L^2. Hoping your Team will show to me on how they are computed.

Problem 200: EE Board Oetober 198s A coil draws 1875 watts when connected to a 150 V DC source. it consu 3072 watts when used on 240 V, 60 Hz AC source. Find the inductance of the co 0.0255 H B. 0.0341 H C. 0.0153H D. A. 0.0240 H Atf- 60 Hz, w -377 213 220 R +(377L 220-V 60 Hz Atf-25 Hz.w-157: 110 1- ZR(1541.y Xu Note Since R IS constant and power drawn in both conditions are equal then curtents drawn respectively are also equal Equate Eq 1 to Eq 2 220 110 VR? R+(377L) R(157L) * (377L) (154L) 110-V 220 110 3R- 43533 L 25 Hz X12 [2] R-120.461L P-PR 220 250- R,377 L R→ +] Solutio Substitute Eq.3 in Eq. 4: 220 (120.46 L) 250 (120.46L) + (377) L2 250(120.46) L + 250(377) L? = (220) (120.46)L 220 (120.46) L- 250(120.46 + 377?) L-0.149 H wIN
Transcribed Image Text:Problem 200: EE Board Oetober 198s A coil draws 1875 watts when connected to a 150 V DC source. it consu 3072 watts when used on 240 V, 60 Hz AC source. Find the inductance of the co 0.0255 H B. 0.0341 H C. 0.0153H D. A. 0.0240 H Atf- 60 Hz, w -377 213 220 R +(377L 220-V 60 Hz Atf-25 Hz.w-157: 110 1- ZR(1541.y Xu Note Since R IS constant and power drawn in both conditions are equal then curtents drawn respectively are also equal Equate Eq 1 to Eq 2 220 110 VR? R+(377L) R(157L) * (377L) (154L) 110-V 220 110 3R- 43533 L 25 Hz X12 [2] R-120.461L P-PR 220 250- R,377 L R→ +] Solutio Substitute Eq.3 in Eq. 4: 220 (120.46 L) 250 (120.46L) + (377) L2 250(120.46) L + 250(377) L? = (220) (120.46)L 220 (120.46) L- 250(120.46 + 377?) L-0.149 H wIN
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