MCQ: A short-Circuiting link is provided on the secondary side of a current transformer because :

• A. When the secondary winding of the C.T is short circuited by the link with the primary winding energized, a very high current flows on the primary side
• B. When the secondary winding of the C.T is short-circuited by the link with the primary winding energized, it is possible to make any adjustments in the secondary winding circuit like replacing a faulty ammeter
• C. When the short-circuiting link is opened with the secondary winding open-circuited, the current on the primary side is fall to almost zero
• D. All the above.