S1 : To increase the steady state stability limit, we use parallel transmission line.
S2: Using parallel transmission lines increases the value of reactance.

Both S1 and S2 are individually true and S2 is the correct explanation of S1.

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Both S1 and S2 are individually true but S2 is not the correct explanation of S1.

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S1 is true but S2 is false.

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S1 is false but S2 is true.

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Solution

The correct option is C S1 is true but S2 is false.
Using parallel transmission lines, the values of reactance reduces, so that steady state stability is increased.

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S1 : To increase the steady state stability limit, we use parallel transmission line. S2: Using parallel transmission lines increases the value of reactance.

The correct option is C S1 is true but S2 is false.Using parallel transmission lines, the values of reactance reduces, so that steady state stability is increased.

S1 : To increase the steady state stability limit, we use parallel transmission line.
S2: Using parallel transmission lines increases the value of reactance.

The correct option is C S1 is true but S2 is false.
Using parallel transmission lines, the values of reactance reduces, so that steady state stability is increased.