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The theorem which states that in any linear, non-linear, passive, active, time-variant and time-invariant network, the summation of instantaneous powers is zero will be called as
  • a)
    Tellegen’s theorem
  • b)
    Compensation theorem
  • c)
    reciprocity theorem
  • d)
    superposition theorem
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The theorem which states that in any linear, non-linear, passive, acti...
Tellegen theorem can be applied to any network- linear or non-linear, active or passive, time-variant, or time-invariant.
Tellegen Theorem: According to Tellegen’s theorem, the summation of instantaneous powers for the n number of branches in an electrical network is zero.
Let n number of branches in an electrical network have I1, I2, I3, …. In respective instantaneous currents through them.
These branches have instantaneous voltages across them are V1, V2, V3, …. Vn respectively.
According to Tellegen’s theorem:

It is based on the conservation of energy and is applicable to both linear and non-linear circuits.
Important Points
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The theorem which states that in any linear, non-linear, passive, acti...
Explanation:

Tellegen's Theorem:
Tellegen's theorem states that in any linear or non-linear, passive or active, time-variant or time-invariant network, the algebraic sum of instantaneous powers at any instant in time is always zero.

Key Points:
- The theorem is named after Bernard Tellegen, a Dutch electrical engineer.
- It is a fundamental principle in electrical engineering and is used to analyze and understand the power flow in a network.
- The theorem is based on the conservation of energy principle, stating that the total power entering a network at any instant must be equal to the total power leaving the network.
- Tellegen's theorem can be applied to both AC and DC circuits, making it a versatile tool in circuit analysis.
- The theorem is essential for power system analysis, as it helps in determining power losses and optimizing the efficiency of electrical networks.
- Tellegen's theorem is used in various applications, including power distribution systems, signal processing, and electronic circuit design.

Conclusion:
Tellegen's theorem is a powerful tool in circuit analysis that helps in understanding and analyzing power flow in electrical networks. It is a fundamental principle that applies to a wide range of networks and is essential for engineers working in the field of electrical engineering.
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