Two moving coil galvanometer, 
and 
have coils with resistance 
and 
cross-sectional areas 
and 
, number of turns 30 and 45 respectively. They are placed in magnetic field of 0.25 
and 
respectively. Then, the ratio of their current sensitivities and the ratio of their voltage sensitivities are respectively
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Current sensitivity, 
So, 
(Assume 
)
Voltage sensitivity, 
So, 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The distance moved by a charged particle along the magnetic field (the component of velocity is par…
If ' ' is electric charge, is magnetic field, ' ' is the dee radius and ' ' is the mass of ions…
A charged particle when enters a uniform magnetic field moves in a helical path. If its angular vel…
The magnetic force is
A charge ' ' moves with a velocity along -axis in a uniform magnetic field , then charge will e…
An observer at rest experiences an electric field due to a static charge. Later he starts moving aw…