When is the system stable under equal area criterion?

Q.  Under what condition is the system stable under equal area criterion?
- Published on 14 Oct 15

a. The area under the curve Pa – δ curve must increase to ∞.
b. The area under the curve Pa – δ curve must become equal to 1
c. The area under the curve Pa – δ curve must reduce to zero.
d. None of these

ANSWER: The area under the curve Pa – δ curve must reduce to zero.

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