JEE MAIN 2025(23jan shift1)Consider a moving coil galvanometer (MCG) :A : The torsional constant i

February 17, 2025

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Consider a moving coil galvanometer (MCG) :
A : The torsional constant in moving coil galvanometer has dimensions [ML2T–2]
B : Increasing the current sensitivity may not necessarily increase the voltage sensitivity.
C : If we increase number of turns (N) to its double (2N), then the voltage sensitivity doubles.
D : MCG can be converted into an ammeter by introducing a shunt resistance of large value in parallel with galvanometer.
E : Current sensitivity of MCG depends inversely on number of turns of coil.
Choose the correct answer from the options given below:
(1) A, B only. 2) A,D only. 3) B, D, E only. (4) A, B, E only

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With over 15 years of teaching experience, Vivek Singh Sir has served as Head of Department and Academic Head at premier institutions such as Aakash Institute, Narayana, Career Point, and has also worked as the Director of Vibrant Academy Bilaspur.

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