The number of turns and radius of cross-section of the coil of a tange – McqOptions

MCQOPTIONS

1.	The number of turns and radius of cross-section of the coil of a tangent galvanometer are doubled. The reduction factor K will be [NCERT 1983; MP PMT 2002]
A.	K
B.	2K
C.	4K
D.	K/4
Answer» B. 2K

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