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  


Discussion

No Comment Found

Related MCQs