Q. Which of the following is not a correct statement

A) Resistivity of electrolytes decreases on increasing temperature
B) Resistance of mercury falls on decreasing its temperature
C) When joined in series a $40\ W$ bulb glows more than a $60\ W$ bulb
D) Resistance of $40\ W$ bulb is less than the resistance of $60\ W$ bulb
Explanation

(d) The resistance of $40\ W$ bulb will be more and $60\ W$ bulb will be less

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.