What will be the deflection (in rad) of a moving iron instrument, when – McqOptions

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1.	What will be the deflection (in rad) of a moving iron instrument, when the inductance of the moving iron instrument is (10 + 6θ) μH, where θ is the deflection in radian from zero position and the deflection current is 6 A? Assuming spring constant k = 10 × 10-6 Nm/rad.
A.	10.8
B.	10
C.	9.8
D.	9
Answer» B. 10

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