Recent content by JonJon

  1. J

    Calculating Voltage Difference in a Parallel and Series Circuit

    I got V_3 is .33A * 240 = 80v but its -80v b/c its loosing right?
  2. J

    Calculating Voltage Difference in a Parallel and Series Circuit

    Homework Statement Three 60 w 120 V bulbs are connected to a 120 V battery. 2 Bulbs are in parallel with each other in a smaller loop. The third is in series with the battery and the other loop. find voltage difference across bulb three. Homework Equations R= V^2/P 1/R_loop= 1/R_1...
  3. J

    Calculating Current for 1.5T in Solenoid

    Homework Statement Solenoid is 1.8m long and 75 cm in diam. one layer tightly wound with wire that has diam 2mm. what current needs to run thru to get 1.5T Homework Equations N=2piR/(L) where R is radius of solenoid and L is wire lenght The Attempt at a Solution Once I find how...