2) In a gravity controlled instrument, the deflecting torque corresponding to a deflection of 90° is 1.2×10–4 kgm. Find the controlling distance of 2 cm from the axis of moving system. [Ans. 0.6 x 10-2 kg]
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- In a gravity controlled instrument, the controlling weight is 0.005 kg and acts as a distance of 2.4 cm from the axis of the moving system. Determine the deflection in degree corresponding to deflecting torque of 1.05*10-5 kgm.5. Calculate the force exerted by each conductor, 9 in. long, on the armature of a DC motor, when it carries a current of 100 amp and lies in a field density of which is 55,000 lines per square inch.Please kindly help me to answer this QUESTION. Thank you very much! 7. The moving coil of a D'Arsonval - type instrument has 80 1/2 turns of wire that are wound over a frame having an axial length of 1.5 in. and a width of 7/8 in. If the permanent magnet produces a uniform air-gap flux density of 5,000 lines per square inch, and full-scale deflection of 75° occurs when the current is 12 mA, calculate the torque per degree of deflection.
- Consider the rotational translational mechanical system as shown in Figure Q1(a):5. Assignment 1: Derive the microscopic model of current. Explain each step carefully with diagram. Hand written. Explain the Random, and drift velocity. Give values.The flux density distribution in the airgap of a 60Hz,4-pole, salient pole machine is sinusoidal, having an amplitude of 0.8 T. Calculate the instantaneous and rms values of the voltage induced in 1150-turn, If the axial length of the armature and its inner diameter are both 100 mm.
- Derive the microscopic model of current. Explain each step carefully with diagram. Hand written. Explain the Random, and drift velocity. Give values.Calculate the motor conduction velocity for the arrangement below where latency period 1 is 3 ms and latency period 2 is 6 ms. Measure the distance between S1 and S2 on your arm to determine the conduction velocityState TRUE or False Critical clearing angle depends on system configuration Critical clearing time depends on inertia constant H
- Consider the mass spectrometer shown schematically in the figure. The magnitude of the electric field between the plates of the speed selector is 2500 V / m, and the magnetic field in both the speed selector and the deflection chamber has an amplitude of 0.0350 T. Calculate the radius of the path for a single-charged ion with mass m = 2.18x10 ^ -26 kg.An 8-pole, wave-connected armature has 600 conductors and is driven at 625 rev/min. If the flux per pole is 20 mWb, determine the generated e.m.f.A ferromagnetic ring has a uniform cross-sectional area of 2000 mm2 and a mean circumference of 1000 mm. A hysteresis loop obtained for the specimen is plotted to scales of 10 mm = 0.1 T and 10 mm = 400A/m and is found to have an area of 104 mm2. Determine the hysteresis loss at a frequency of 80 Hz.