Turn on thread page Beta
    • Thread Starter
    Offline

    3
    ReputationRep:
    what are they?
    lol i think im suppose to know them aqa gcse but i dont what they r
    ie what is the period of the power supply in an ac trace which timebase is set to 4 ms per division
    Offline

    7
    ReputationRep:
    http://www.kpsec.freeuk.com/cro.htm (google )
    looks to be a pretty good explanation. Basically they take input information of somesort and display it as a wave for you to see.
    • Thread Starter
    Offline

    3
    ReputationRep:
    thnx yup that was a good explanation
    • Thread Starter
    Offline

    3
    ReputationRep:
    hey heres a quick question how could u double the size of current in a circuit where there is a heater
    probably really obvious but oh well
    i forgot to mention its from homework and its not double the volatage as that got marked wrong
    Offline

    7
    ReputationRep:
    V=IR. So I=V/R.

    A heater acts as a resistor.....
 
 
 
Reply
Submit reply
Turn on thread page Beta
Updated: June 7, 2008

University open days

  • Heriot-Watt University
    School of Textiles and Design Undergraduate
    Fri, 16 Nov '18
  • University of Roehampton
    All departments Undergraduate
    Sat, 17 Nov '18
  • Edge Hill University
    Faculty of Health and Social Care Undergraduate
    Sat, 17 Nov '18
Poll
Black Friday: Yay or Nay?

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE

Write a reply...
Reply
Hide
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.