Log in
Physics
2
answers
0
watching
153
views
11 May 2018

31.44 . A large electromagnetic coil is connected to a 120-Hz ac source. The coil has resistance 400 , and at this source fre- quency the coil has inductive reactance 250 N. (a) What is the inductance of the coil? (b) What must the rms voltage of the source be if the coil is to consume an average electrical power of 450 W?

word_media_image1.png
Watch
2
answers
0
watching
153
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share
Jean Keeling
Jean KeelingLv2
12 May 2018
Already have an account? Log in
Share

Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

The primary coil of an ideal transformer is connected to a 120-V source and draws 1.0 A. The secondary coil has 800 turns and supplies an output current of 10 A to run an electrical device. (a) what is the voltage across the secondary coil? (b) how many turns are in the primary coil? (c) if the maximum power allowed by the device (before it's destroyed) is 240 W, what is the maximum input current to this transformer?



The primary coil of an ideal transformer is connected to a 120-V source and draws 1.0A. The secondary coil has 800 turns and supplies an output current of 10A to run an electrical device.(a) What is the voltage across the secondary coil? (b) How many turns are in the primary coil? (c) If the maximum power allowed by the device (before it is destroyed) is 240W, what is the maximum input current to this transformer?

Related Documents

PHYS 270
Final Exam
Study Guide
PHYS 270 Study Guide - Midterm Guide: Relative Permittivity, Electromagnetic Radiation, Angular Frequency
terp176
PHYS 24100
Final Exam
Study Guide
PHYS 24100 Study Guide - Final Guide: Temperature Coefficient, Rlc Circuit, Electric Field
magentasquirrel704
PHY 2020 Lecture Notes - Lecture 37: Tesla Coil, Inductor, Inductance
lavenderpig501

Weekly leaderboard

Home
Homework Help 3,900,000
Physics 110,000
Start filling in the gaps now
Log in