engineering recuitment GATE EE 2023-24 Test Series Electrical and Electronics Measurements Indicating Instruments Electro Dynamometer Type Instruments
For a certain dynamometer ammeter the mutual inductance M varies with deflection θ as M = -16 cos (θ + 30°) mH. Find the deflecting torque produce by a direct current of 80 mA corresponding to a deflection of 45°.
1
78.76 μNM
2
15 μNm
3
98.88 μNM
4
88.88 μN-m