ENTRANCE TEST – 2009 :: Discussion


28.We have two coils placed close to each other. When we switch on the battery connected to primary coil while keeping the sliding contact of rheostat at fixed position, the reading of Galvanometer:
A.First increases and then becomes zero
B.First increases and then becomes constant at some value
C.Increases with the passage of time
D.Remains zero
Answer:  Option  A
Explanation:

Tutorial Link:
Published by:Nimra Saeed

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