The figure below shows three lightbulbs connected to a 120-V AC (rms) household supply voltage. Bulbs 1 and 2 have a power rating of 100 W, and bulb 3 has a 75-W rating. 120 V 1 (a) Find the rms current in each bulb. I bulb 1= Ibulb 2= Ibulb 3= A A A (b) Find the resistance of each bulb. Rpulb 1= Rpulb 2= Rbulb 3= (c) What is the total resistance of the combination of the three lightbulbs?

The figure below shows three lightbulbs connected to a 120-V AC (rms) household supply voltage. Bulbs 1 and 2 have a power rating of 100 W, and bulb 3 has a 75-W rating. 120 V 1 (a) Find the rms current in each bulb. I bulb 1= Ibulb 2= Ibulb 3= A A A (b) Find the resistance of each bulb. Rpulb 1= Rpulb 2= Rbulb 3= (c) What is the total resistance of the combination of the three lightbulbs?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter25: Electromagnetic Induction

Section25.1: Electric Current From Changing Magnetic Fields

Problem 6PP

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