MCQOPTIONS
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| 1. |
A uniform wire of resistance R is uniformly compressed along its length, until its radius becomes n times the original radius. Now resistance of the wire becomes [KCET 2000] |
| A. | \[\frac{R}{{{n}^{4}}}\] |
| B. | \[\frac{R}{{{n}^{2}}}\] |
| C. | \[\frac{R}{n}\] |
| D. | nR |
| Answer» B. \[\frac{R}{{{n}^{2}}}\] | |