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An electic bulb marked 25W and 100V is connected across 50V supply. Now its power is (1)25 (2)12.5W (3)6.25W (4)50W |
| Answer» An electic bulb marked 25W and 100V is connected across 50V supply. Now its power is (1)25 (2)12.5W (3)6.25W (4)50W | |