The resistance of a heater coil is 110 ohm. A resistance R is connecte – McqOptions

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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.	Negative
D.	That the given values are not correct
Answer» B. 24.42

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