Question
Medium
Solving time: 4 mins
Two moving coil meters, and have the following particulars:
(The spring constants are identical for the two meters).Detere the ratio of (a) current sensitivity and (b) voltage sensitivity of and .
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Text solutionVerified
(a)
Current sensitivity of is given as,
where,
N=turns,
B=Magnetic field,
k=spring constant,
A=area
R=Electric resistance.
(b)
Voltage sensitivity relation is given as,
where,
N=turns,
B=Magnetic field,
k=spring constant,
A=area
R=Electric resistance.
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Question Text | Two moving coil meters, and have the following particulars: (The spring constants are identical for the two meters).Detere the ratio of (a) current sensitivity and (b) voltage sensitivity of and . |
Updated On | Feb 2, 2023 |
Topic | Moving Charges and Magnetism |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 Video solution: 2 |
Upvotes | 283 |
Avg. Video Duration | 9 min |