Concept explainers
(a)
The value of unknown resistance in terms of known resistance.
(a)
Answer to Problem 71GP
The unknown resistance of the Wheatstone bridge in terms of known resistance is
Explanation of Solution
Given info:
The known resistance of the Wheatstone bridge are
The unknown resistance of the Wheatstone bridge is,
Formula Used:
The expression of balanced Wheatstone bridge is,
Calculation:
Simplify the expression (1) to calculate the unknown resistance.
Conclusion:
Thus, the unknown resistance of the Wheatstone bridge in terms of known resistance is
(b)
The value of the unknown resistance.
(b)
Answer to Problem 71GP
The value of the unknown resistance is
Explanation of Solution
Given info:
The value of first known resistance is,
The value of second known resistance is,
The value of third known resistance is,
Formula Used:
The expression of balanced Wheatstone bridge is,
Calculation:
Substitute all the values in the expression (2).
Conclusion:
Thus, the value of the unknown resistance is
Chapter 19 Solutions
Physics: Principles with Applications
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