MCQ
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
  • Resistance of $40 W$ bulb is less than the resistance of $60 W$ bulb

Answer

Correct option: D.
Resistance of $40 W$ bulb is less than the resistance of $60 W$ bulb
(d) The resistance of $40 W$ bulb will be more and $60 \mathrm{~W}$ bulb will be less.

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