If a heater coil is cut into two equal parts and only one part is used in the heater. the heat generated will be :
Adoubled
Bfour times
Cone - fourth
Dhalved
Adoubled
Bfour times
Cone - fourth
Dhalved
Related Questions:
A light beam passing through three mediums P. Q and R is given, by observing the figure, find out the correct statement related to the optical density of the mediums.