Q. 81 The inductance of a certain moving-iron ammeter is expressed as
, where 
is the deflection in radians from the zero
position. The control spring torque is 
. The deflection of the
pointer in radian when the meter carries a current of 5 A, is
(A) 2.4
(B) 2.0
(C) 1.2
(D) 1.0
Answer:(C)
Explanation:
