MCQOPTIONS
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| 1. |
The Wheatstone bridge consists of a power source, 3 known resistors, a resistor whose value is to be measured, and a null detector. Which of the following is not a source of errors in a Wheatstone bridge? |
| A. | Limiting errors of the known resistors |
| B. | Poor sensitivity of the null detector |
| C. | Fluctuations in the power supply voltage |
| D. | Thermal e.m.f.s in the bridge circuit |
| Answer» D. Thermal e.m.f.s in the bridge circuit | |