13_Chapter 21 HomeworkCH21 Alternating Current Circuits and Electromagnetic Waves

13_Chapter 21 HomeworkCH21 Alternating Current Circuits and Electromagnetic Waves

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Alternating Current Circuits and Electromagnetic Waves 213 21.26 (a) ( )( ) 4 2 2 100 Hz 20.5 H 1.29 10 L Xf L ππ == = × rms rms 200 V 50.0 4.00 A V Z I == =Ω Thus, () 22 50.0 35.0 LC XX ZR −= ± −= ± 35.7 CL 35.7 = ± and or 4 1 1.29 2 fC π 35.7 = ×Ω ± This yields 4 1 2 100 Hz 1.29 C 123 nF or 124 n 35.7 ± F ±²²³´ µ²²³¶· ± ¸¹º²³ ± ±²º¹³¶ (b) 2 2 4 rms rms 4 4.00 A 50.0 1.29 5.15 10 V 51.5 kV coil L coil VI Z I R X ∆= = + = + × = Notice that this is a very large voltage! 21.27 ( )( ) 2 2 50.0 Hz 0.185 H 58.1 L L =Ω 6 11 2 2 50.0 Hz 65.0 10 F C X × 49.0 = ( ) 2 2 40.0 58.1 49.0 ad L C ZRX X =+− = + Ω
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 10/20/2011.

Ask a homework question - tutors are online