Electric Circuits
What is time period T?

 Time taken by an alternating quantity to reach the peak value.
 Time taken by an alternating quantity to complete the (+)ve half.
 Time taken by an alternating quantity to complete the (-)ve half.
 Time taken by an alternating quantity to complete one full cycle.

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Electric Circuits
When we use super node technique

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

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