Electric Circuits
Two electric bulbs have transparent filament of same thickness. It one of them gives 60 W and other gives 100 W, then-

 100 W lamp filament has longer length.
 60 W lamp filament has longer length.
 60 W and 100 W lamp filament have equal length.
 60 W lamp filament has shorter length.

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Electric Circuits
When we use super node technique

 ideal voltage source is connected between non reference node and reference.
 current source branch is common for two meshes.
All of these
 ideal voltage source is connected between two non reference nodes.

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