MCQOPTIONS
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| 1. |
When the Wheatstone bridge shown is used to find value of resistance Rx, the galvanometer G indicates zero current when R1 = 50 Ω, R2 = 65 Ω & R3 = 100 Ω. if R3 is known with 5% tolerance on its nominal value of 100 Ω What is the range of Rx in ohms. |
| A. | [123.5, 136.5] |
| B. | [125.898, 134.12] |
| C. | [117, 143] |
| D. | [120.25, 139.75] |
| Answer» B. [125.898, 134.12] | |