124 Ω Name:

Clouds permitting, the first one to four questions will be cloud questions.

  1. In a micro-hydro electric power generating system, what is head?


  2. In a micro-hydro electric power generating system, what is flow?


  3. ____________________ Which concept in electrical circuits best corresponds to head?
  4. ____________________ Which concept in electrical circuits best corresponds to flow?
  5. ___________ __________ What type of circuit produces "heat but no light"?
  6. Which of the following are conductors [c] and which are insulators [i] with respect to the flow of electricity?
  7. Plot the data below on the graph provided. Draw a best fit trend line through the data.
    Optical image depth

    Data

    current (A)voltate (V)
    00
    0.41.6
    0.72.8
    1.14.4
    1.24.8
    background rectangle major grid lines axes text layers Current versus voltage current (A) voltage (volts) y-axis labels 0 1 2 3 4 5 x-axis labels 0 0.4 0.8 1.2 1.6 2.0

    ____________ ________ For the data above, what is the resistance?

Using the information in the table below, fill in the blank cells.

ApplianceImagePower (w)Voltage (V)Current (A)Resistance (Ω)
7. Spar mixer spar mixer 2400220
8. Salad slicer Salad slicer 1205.0
9. Bone saw Bone saw 700220
10. Induction motor Induction motor 24040

[ V = iR ] [ P = iV ]