Electrician Talk - Professional Electrical Contractors Forum
CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!
Go Back   Electrician Talk - Professional Electrical Contractors Forum > Electrical Forum > Introductions
student stuck on quiz question! student stuck on quiz question!
Register Electrical Photos FAQ Members List Social Groups Contractor Talk Search Today's Posts Mark Forums Read

Reply
 
Thread Tools Search this Thread Display Modes
Old 10-18-2009, 02:54 PM   #1
Junior Member
 
Join Date: Oct 2009
Location: ca.
Posts: 1
Default student stuck on quiz question!
Taking a theory of D.C class. This one question has me stumped! What ohm value resistor must be connected in series with a 48 ohm bell if it is to draw exactly .25 amps from a 20 volt source? is it 32 ohms? thanks guys!
skullfoot76 is offline   Reply With Quote
Join Contractor Talk

Join the #1 Electrician Forum Today - It's Totally Free!

ElectricianTalk.com - Are you a Professional Electrical Contractor? If so we invite you to join our community and see what it has to offer. Our site is specifically designed for you and it's the leading place for electricians to meet online. No homeowners asking DIY questions. Just fellow tradesmen who enjoy talking about their business, their trade, and anything else that comes up. No matter what your specialty is you'll find that ElectricianTalk.com is a great community to join. Best of all it's totally free!

Join ElectricianTalk.com - Click Here JOIN FOR FREE

Warning: The topics covered on this site include activities in which there exists the potential for serious injury or death. ElectrcianTalk.com DOES NOT guarantee the accuracy or completeness of any information contained on this site. Always use proper safety precaution and reference reliable outside sources before attempting any construction or remodeling task!
Old 10-18-2009, 03:14 PM   #2
Senior Member
 
drsparky's Avatar
 
Join Date: Nov 2008
Location: Presque Isle, Maine
Posts: 1,581
Default
Yes.
__________________
"Pay attention son, this is for your own good." - Foghorn Leghorn
drsparky is offline   Reply With Quote
Old 10-18-2009, 03:53 PM   #3
Senior Member
 
drsparky's Avatar
 
Join Date: Nov 2008
Location: Presque Isle, Maine
Posts: 1,581
Default
20 divided by .25 equals 80, 80 subtract 48 equals 32.
E(20)/I(.25)=R(80) R=(80-48=32)
E/I=R
__________________
"Pay attention son, this is for your own good." - Foghorn Leghorn
drsparky is offline   Reply With Quote
Old 10-19-2009, 10:35 PM   #4
I am a RAT.
 
william1978's Avatar
 
Join Date: Sep 2008
Location: Charlotte N.C.
Posts: 5,187
Default
Welcome to the forum.
william1978 is offline   Reply With Quote
Old 10-20-2009, 11:24 PM   #5
Senior Member
 
Join Date: Nov 2007
Location: Kendrick Idaho
Posts: 435
Cool
Welcome to the forum
__________________
You keep doin' what you're doin, you will keep gettin' what you got.
Idaho Abe is offline   Reply With Quote
Reply

« Previous Thread | Next Thread »
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes
Linear Mode Linear Mode

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
exam question help (student stuck) josh494949 General Electrical Discussion 7 05-11-2009 06:41 PM
code quiz! BuzzKill General Electrical Discussion 0 03-04-2009 06:01 PM
stuck myeecc Residential Electrical Forum 7 01-20-2009 10:13 PM
question from a student in new york PART 2 Pnbklyn Introductions 6 12-10-2007 02:05 PM
Question from a student in NewYork Pnbklyn Introductions 20 12-01-2007 04:23 PM

Top of Page | View New Posts

All times are GMT -4. The time now is 05:38 AM.

Contact Us - Electrical Forum - Top

Electrician Talk © 2006 - 2009 The Building Network LLC

Search Engine Optimization by vBSEO 3.2.0