Recent content by jackcie

  1. J

    A question involvingn safe working voltage and capacitors?

    1. Problem Statement Some capacitors are marked 48uF, safe working voltage 25V. Show how a number of these capacitors may be connected to provide a capacitor of capacitance: a) 48uF, safe wroking voltage 50V b) 72uF, safe working voltage 25V Homework Equations obviously C total in...
  2. J

    Am i right when i say that like currents attract, and unlike currents repel?

    thank you mrspeedybob, exactly what i was wondering!
  3. J

    Is Energy Lost When a Liquid Vaporizes and Gained When a Gas Condenses?

    when a liquid vaporises to a gas, q = m x lv this energy is lost? also, what does this mean for when a gas turns to a liquid is q added to the system, or lost (added i presume??) cheers
  4. J

    Am i right when i say that like currents attract, and unlike currents repel?

    cheers