Magnetic Effects Of Current Question 201
Question: The current sensitivity of a moving coil galvanometer can be increased by [Roorkee 1999]
Options:
A) Increasing the magnetic field of the permanent magnet
B) Increasing the area of the deflecting coil
C) Increasing the number of turns in the coil
D) Increasing the restoring couple of the coil
Show Answer
Answer:
Correct Answer: B
Solution:
Sensitivity $ \frac{\theta }{i}=\frac{NAB}{C} $
BETA
