tor in the 90-volt supply to the bridge are used to produce a change in bridge current while making the compensating adjustments.Decade attenuation of the bridge output signal is accomplished with the switches marked X10, X100, and X1000.
A flexibly designed set of units used to present a laboratory-centered, inquiry-oriented physical science course to education students is described. The activities in these units place the students into situations in which they must make sense out of their experiences, and provides the instructor with the opportunity to guide, evaluate and prescribe, according to the individual student’s interests, intellectual capabilities, and knowledge of science.
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