Electric Circuits
Resistance of which material does not change with change in temperature?

 Platinum.
 Metal alloys constantan and manganin.
 Tungsten.
 Brass.

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Electric Circuits
When we use super node technique

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

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