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SAMSUNG HOUSEHOLD MICROWAVE OVEN 416 MAETANDONG, SUWON, KOREA MODEL NO. SERIAL NO. 120Vac 60HZ USTED Kw 1.2 MICROWAVE (UL) MW85OWA 71NNBO0010 725F MANUFACTURED: NOMEMEER-2000 FCC ID: A3LMW850 MADE IN KOREA SEC THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR SUBCHAPTER J. Figure 2

SAMSUNG HOUSEHOLD MICROWAVE OVEN 416 MAETANDONG, SUWON, KOREA MODEL NO. SERIAL NO. 120Vac 60HZ USTED Kw 1.2 MICROWAVE (UL) MW85OWA 71NNBO0010 725F MANUFACTURED: NOMEMEER-2000 FCC ID: A3LMW850 MADE IN KOREA SEC THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR SUBCHAPTER J. Figure 2

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter16: Installation Of Heating, Cooling, And Refrigeration Systems
Section: Chapter Questions
Problem 18RQ
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HOUSEHOLD MICROWAVE OVEN 416 MAETANDONG, SUWON, KOREA 120Vac SAMSUNG MODEL NO. SERIAL NO. 60HZ Kw MICROWAVE USTED 725F MW85OWA 71NNBO0010 1.2 UL MANUFACTUREO: NOMEMEER-2000 FCC ID: THIS PRODUCT COMPLIES WITH DHMS RULES 21 CFR SUBCHAPTER J. A3LMW8 50 MADE IN KOREA SEC Figure 2 A microwave with ratings shown in Figure 2 is being supplied with a single phase 120 VAC, 60 Hz source. Given that the device is operating at rated conditions and has a power factor of 0.8 lagging. a) Find the instantaneous current drawn from the source when plugged in. b) Find the equivalent impedance of the microwave as seen by the source. c) Calculate the new and improved power factor if a 250 µF capacitor is inserted in parallel with the supply.
Transcribed Image Text:HOUSEHOLD MICROWAVE OVEN 416 MAETANDONG, SUWON, KOREA 120Vac SAMSUNG MODEL NO. SERIAL NO. 60HZ Kw MICROWAVE USTED 725F MW85OWA 71NNBO0010 1.2 UL MANUFACTUREO: NOMEMEER-2000 FCC ID: THIS PRODUCT COMPLIES WITH DHMS RULES 21 CFR SUBCHAPTER J. A3LMW8 50 MADE IN KOREA SEC Figure 2 A microwave with ratings shown in Figure 2 is being supplied with a single phase 120 VAC, 60 Hz source. Given that the device is operating at rated conditions and has a power factor of 0.8 lagging. a) Find the instantaneous current drawn from the source when plugged in. b) Find the equivalent impedance of the microwave as seen by the source. c) Calculate the new and improved power factor if a 250 µF capacitor is inserted in parallel with the supply.
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