HW 32 - benavides (jjb2356) homework 32 Turner (59130) 1...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: benavides (jjb2356) homework 32 Turner (59130) 1 This print-out should have 10 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 (part 1 of 3) 10.0 points In an LR circuit, a 102 V( rms ), 38 Hz source is in series with a 15 mH inductor and a 22 resistor. What is the maximum rms current? Correct answer: 4 . 57612 A. Explanation: Let : f = 38 Hz , L = 0 . 015 H , R = 22 , and V rms = 102 V . The inductive reactance is X L = L = 2 f L = 2 (38 Hz) (0 . 015 H) = 3 . 58142 . The impedance of an RL circuit is the same as that of an RLC circuit, but without the capacitive reactance. Namely Z = radicalBig R 2 + X 2 L = radicalBig (22 ) 2 + (3 . 58142 ) 2 = 22 . 2896 . The rms current is I rms = V rms Z = 102 V 22 . 2896 = 4 . 57612 A . 002 (part 2 of 3) 10.0 points What is the power factor? Correct answer: 0 . 987007. Explanation: The phase angle in an RL circuit is the same as that of an RLC circuit, but without the capacitive reactance. Namelythe capacitive reactance....
View Full Document

Page1 / 3

HW 32 - benavides (jjb2356) homework 32 Turner (59130) 1...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online