MCQOPTIONS
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MCQOPTIONS
| 1. |
Balance_condition_can_be_obtained_by$ |
| A. | varying the standard resistance R<sub>3</sub> |
| B. | varying the resistance arms R<sub>1</sub> and R<sub>2</sub> |
| C. | keeping the unknown resistance R<sub>4</sub> constant |
| D. | by making use of a null detector |
| Answer» C. keeping the unknown resistance R<sub>4</sub> constant | |