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5 Written questions

5 Matching questions

  1. voltage difference
  2. speed
  3. SAME,positive
  4. coulomb
  5. The work output divided by the work input multiplied by 100
  1. a If the force applied and the distance an object moves are acting in the ______ direction,________ work occurs.
  2. b The rate of change in distance per unit of time is
  3. c is the unit of electric charge.
  4. d The "forcelike" quantity in the equation for electrical work is ______________.
  5. e Efficiency is

5 Multiple choice questions

  1. convection is used in heating and cooling systems.
  2. Rate in thermal systems is the movement of
  3. All objects radiate energy in the form of
  4. The prime mover that causes work to be done in an electrical system is a __________ difference.
  5. is the product of the force and the distance through which the object moves.

5 True/False questions

  1. force times distanceThe "forcelike" quantity in the equation for electrical work is ______________.

          

  2. speedOn the graph below , the slope of the line represents the ________ of the object.

          

  3. positionOn the graph below ,________ is the dependent variable.

          

  4. 5 m/sOn the graph below, the slope of the line is ( 30 m/s or ______)

          

  5. accelerationThe rate of change in speed (velocity) per unit of time is