Questions in Current Electricity

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Match the List I with the List II from the combination shown. In the left side (List I) there are four different conditions and in the right side (List II), there are ratios of heat produced in each resistance for each condition : Question Image
The electric current passing through a metallic wire produces heat because of
The maximum current that flows through a fuse wire before it blows out varies with its radius as
What is immaterial for an electric fuse wire
The current flowing through a lamp marked as 50 W and 250 V is
Find the power of the circuit Question Image
If in the circuit, power dissipation is 150 W, then R isQuestion Image
Two resistors whose value are in ratio 2 : 1 are connected in parallel with one cell. Then ratio of power dissipated is
A heater coil is cut into two equal parts and only one part is now used in the heater. The heat generated will now be
The resistance of hot tungsten filament is about 10 times the cold resistance. What will be the resistance of 100 W and 200 V lamp when not in use

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