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Expression for voltage sensitivity is (t...

Expression for voltage sensitivity is `(theta)/(v) = (NAB)/(CR)`
a. What are the factors on which voltage sensitivity depends on ?
b. Why is it independent of number of turns ?
c. How will you increase the voltage sensitivity ?

Text Solution

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`i. N/R ii. A . Iii B and iv . C`
b. `N/R` is a constant.
c. Voltage sensitivity can be increased by
i. increasing magnetic field (B)
ii. Increasing are (A)
iii. Decreasing torque per unit twist (C)
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