Recent content by Mjannell

  1. M

    Current and Resistance (with a flashback to work I think)

    Thanks, I got it sussed out. sorry that it took so long for the gratitude, I'm only online once a week or so. Mike
  2. M

    Current and Resistance (with a flashback to work I think)

    Hello, Iam having difficulty with the following problem... 3. [GianPSE3 25.P.042.] A small immersion heater can be used in a car to heat a cup of water for coffee. Assume the manufacturer's claim of 60 percent efficiency. If the heater can heat 200 mL of water from 5°C to 95°C in 9.0 min...