The inductance of a certain moving-iron ammeter is expressed as L= 10+ 30 – (& /4) µH, where e is the deflection in radians from the zero position. The control spring torque is 25 x 10° Nm/radian. The deflection of the pointer in radian when the meter carries a current of 5 A, is (A) 2.4 (С) 1.2 (В) 2.0 (D) 1.0
The inductance of a certain moving-iron ammeter is expressed as L= 10+ 30 – (& /4) µH, where e is the deflection in radians from the zero position. The control spring torque is 25 x 10° Nm/radian. The deflection of the pointer in radian when the meter carries a current of 5 A, is (A) 2.4 (С) 1.2 (В) 2.0 (D) 1.0
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![The inductance of a certain moving-iron ammeter is expressed as
L= 10+ 30 – (& /4) µH, where 0 is the deflection in radians from the zero
position. The control spring torque is 25 x 10-6 Nm/radian. The deflection of the
pointer in radian when the meter carries a current of 5 A, is
(А) 2.4
(В) 2.0
(D) 1.0
(С) 1.2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe140a8a1-467b-4d3f-8e05-ce03b479273a%2F28a097dc-2051-4f46-82e3-6f7b0822408c%2Fkl1qbo_processed.png&w=3840&q=75)
Transcribed Image Text:The inductance of a certain moving-iron ammeter is expressed as
L= 10+ 30 – (& /4) µH, where 0 is the deflection in radians from the zero
position. The control spring torque is 25 x 10-6 Nm/radian. The deflection of the
pointer in radian when the meter carries a current of 5 A, is
(А) 2.4
(В) 2.0
(D) 1.0
(С) 1.2
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