 
			 
			MCQOPTIONS
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				| 1. | The specific resistance of a wire is \[\rho \], its volume is 3\[{{m}^{3}}\] and its resistance is 3 ohms, then its length will be [CPMT 1984] | 
| A. | \[\sqrt{\frac{1}{\rho }}\] | 
| B. | \[\frac{3}{\sqrt{\rho }}\] | 
| C. | 40 W | 
| D. | \[\rho \sqrt{\frac{1}{3}}\] | 
| Answer» C. 40 W | |