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1. |
The resistance of a heater coil is 110 ohm. A resistance R is connected in parallel with it and the combination is joined in series with a resistance of 11 ohm to a 220 volt main line. The heater operates with a power of 110 watt. The value of R in ohm is [ISM Dhanbad 1994] |
A. | 12.22 |
B. | 24.42 |
C. | \[\frac{G}{n}\] |
D. | That the given values are not correct |
Answer» B. 24.42 | |