Test 2 Short Answer

• What 2 factors determine how much charge a capacitor takes?

  Voltage applied and size
• What quantity describes the rate at which charge flow?

  Current
• Electronic flow describes charges that move in a direction opposite to the electric flow. What type of charges experience this flow?

  Negative
• What is the name of the quantity that describes velocity at which free charges move in a conductor?


  Drift velocity
• A proton enters the region of uniform electric field between 2 charged plates with an initial velocity directed parallel to the plates. The proton is deflected to the right. What's the direction of the electric field?


  Right
• An electron enters the region of uniform electric field between 2 charged plates with an initial velocity directed parallel to the plates and is directed to the left. What's the direction of the electric field?


  ?
• Name and define the 2 hazards of electricity

  1. thermal hazard - when excessive electric voltage causes heat and undesired effects
  2. shock hazard - when excessive electric current runs through a person
• What is the name of the field that studies electrical effects in and created by biological systems?


  bioelectricity
• What is the name of the record of voltages created by the wave of depolarization and subsequent repolarization in the heart?


  Electrocardiogram
• Which of Kirchoff's rules comes from conservation of energy?


  Loop rule
• Which of Kirchhoff's rules comes from conservation of charge?

  Junction rule