Electric Circuits
Fillers in a lead acid battery are provided

 to prevent flow of gases.
 all of above.
 to recover acid loss through vapours.
 to facilitate flow of gases.

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Electric Circuits
When we use super node technique

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

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