The subtransient reactance of a synchronous generator is much less than its synchronous reactance in the initial phase of short circuit from no load as

demagnetizing ampere-turns appear because of induced filed and damper winding currents as the air -gap flux cannot change instantaneously from its no-load value.

magnetizing ampere-turns appear because of induced field and damper winding current as the air-gap flux cannot change instantaneously from its no load value.

magnetizing ampere-turns, appear because of induced field and damper winding currents as the air-gap flux must reduce instantaneously from its no-load value.

demagnetizing ampere-turns appear because of induced field and damper winding currents as the air-gap flux must reduce instantaneously from its no-load value.

The subtransient reactance of a synchronous generator is much less tha

1.	The subtransient reactance of a synchronous generator is much less than its synchronous reactance in the initial phase of short circuit from no load as
A.	magnetizing ampere-turns appear because of induced field and damper winding current as the air-gap flux cannot change instantaneously from its no load value.
B.	demagnetizing ampere-turns appear because of induced filed and damper winding currents as the air -gap flux cannot change instantaneously from its no-load value.
C.	magnetizing ampere-turns, appear because of induced field and damper winding currents as the air-gap flux must reduce instantaneously from its no-load value.
D.	demagnetizing ampere-turns appear because of induced field and damper winding currents as the air-gap flux must reduce instantaneously from its no-load value.
Answer» B. demagnetizing ampere-turns appear because of induced filed and damper winding currents as the air -gap flux cannot change instantaneously from its no-load value.

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