Current Electricity

Question: A 100 watt bulb working on 200 volt and a 200 watt bulb working on 100 volt have

1) Resistances in the ratio of 4 : 1

2) Maximum current ratings in the ratio of $1:4$

3) Resistances in the ratio of 2 : 1

4) Maximum current ratings in the ratio of 1 : 2

Solution:

Explanation: No Explanation

Heating Effect of Current Electric Power

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