MCQOPTIONS
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| 1. |
If two electric bulbs have 40 W and 60 W rating at 220 V, then the ratio of their resistances will be [Pb. PET 2001] |
| A. | 9 : 4 |
| B. | 4 : 3 |
| C. | 3 : 8 |
| D. | 3 : 2 |
| Answer» E. | |