Current Electricity

Question: Which of the following is not a correct statement



1) Resistivity of electrolytes decreases on increasing temperature
2) Resistance of mercury falls on decreasing its temperature
3) When joined in series a 40 W bulb glows more than a 60 W bulb
4) Resistance of 40 W bulb is less than the resistance of 60 W bulb
Solution: Explanation: No Explanation
Heating Effect of Current Electric Power

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