Vin10V+Ov1kΩROIR1R1VAR3Figure 6: Circuit 6.1kΩ1kΩIR2R2RxVx1kΩVB (a) With reference to the circuit configuration presented, describe in terms of voltagesand resistances what is meant if the Wheatstone bridge is ‘balanced'.7500, ii) R(b) Calculate the voltage, Ve, for the 3 cases when i) Riii) R = 10500.=1k, and(c) If the variable resistor, Re, is set to an unknown value, show using relevant formulaehow this unknown value of R can be determined by measuring the voltages, VAand VB.

(a) With reference to the circuit configuration presented, describe in terms of voltages and resistances what is meant if the Wheatstone bridge is 'balanced'. (b) Calculate the voltage, Va, for the 3 cases when i) R = 7502, ii) R iii) R₂ = 10500. = 1kn2, and (c) If the variable resistor, R, is set to an unknown value, show using relevant formulae how this unknown value of R can be determined by measuring the voltages, VA and VB.

(a) With reference to the circuit configuration presented, describe in terms of voltages and resistances what is meant if the Wheatstone bridge is 'balanced'. (b) Calculate the voltage, Va, for the 3 cases when i) R = 7502, ii) R iii) R₂ = 10500. = 1kn2, and (c) If the variable resistor, R, is set to an unknown value, show using relevant formulae how this unknown value of R can be determined by measuring the voltages, VA and VB.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter30: Dc Motors

Section: Chapter Questions

Problem 6RQ: What is CEMF?

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