railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Indicating Instruments
In the indicating instruments, the control torque produced by the spring is:
1
∝ θ2
2
∝ θ
3
\( \propto \frac{1}{{\rm{\theta }}}\)
4
\( \propto \frac{1}{{{{\rm{\theta }}^2}}}\)