High quality programs often evaluate how effective the progr…

High quality programs often evaluate how effective the program is in changing targeted outcomes. Ideally this is done with both a ____________ group of people who experience the program, and a ____________ group of people who do not participate in the program but complete the same surveys. 

For the circuit shown in the figure, the inductors have no a…

For the circuit shown in the figure, the inductors have no appreciable resistance and the switch has been open for a very long time. (a) The instant after closing the switch, what is the current through the 60.0-Ω resistor?   [currinit][currunit] (b) The instant after closing the switch, what is the potential difference across the 15.0-mH inductor?   [LV][LVunit]

When an LRC series circuit is driven at resonance, which of…

When an LRC series circuit is driven at resonance, which of the following statements about the circuit are correct? (There may be more than one correct choice.) [Compare the impedance of the LRC circuit & the resonance frequency equations if you have them.] 

Three equal negative point charges are placed at three of th…

Three equal negative point charges are placed at three of the corners of a square of side d as shown in the figure. Which of the arrows represents the direction of the net electric field at the center of the square? e. The field is 0 at the point in the middle of the square.