MCQOPTIONS
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MCQOPTIONS
| 1. |
A Wheatstone bridge requires a change of 7 Ω in the unknown resistance arm of the bridge to produce a change in deflection of 3 mm of the galvanometer. The sensitivity and the deflection factor will be nearly |
| A. | 0.23 mm/Ω and 2.3 Ω/mm |
| B. | 0.43 mm/Ω and 2.3 Ω/mm |
| C. | 0.23 mm/Ω and 1.3 Ω/mm |
| D. | 0.43 mm/Ω and 1.3 Ω/mm |
| Answer» C. 0.23 mm/Ω and 1.3 Ω/mm | |