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R2 -Sliding contact R, b R In the figure above, R, is to be adjusted in value by moving the sliding contact across it until points a and b are brought to the same potential. (One tests for this condition by momentarily connecting a sensitive ammeter between a and b; if these points are at the same potential, the ammeter will not deflect.) Express R in terms of Rs, Rị and R2 in the case when this adjustment is made. Rx ww

R2 -Sliding contact R, b R In the figure above, R, is to be adjusted in value by moving the sliding contact across it until points a and b are brought to the same potential. (One tests for this condition by momentarily connecting a sensitive ammeter between a and b; if these points are at the same potential, the ammeter will not deflect.) Express R in terms of Rs, Rị and R2 in the case when this adjustment is made. Rx ww

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R2 今 Sliding contact R, 全 R In the figure above, R, is to be adjusted in value by moving the sliding contact across it until points a and b are brought to the same potential. (One tests for this condition by momentarily connecting a sensitive ammeter between a and b; if these points are at the same potential, the ammeter will not deflect.) Express R, in terms of Rs, R and R2 in the case when this adjustment is made. %3D
Transcribed Image Text:R2 今 Sliding contact R, 全 R In the figure above, R, is to be adjusted in value by moving the sliding contact across it until points a and b are brought to the same potential. (One tests for this condition by momentarily connecting a sensitive ammeter between a and b; if these points are at the same potential, the ammeter will not deflect.) Express R, in terms of Rs, R and R2 in the case when this adjustment is made. %3D
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