Explain the difference between conductive and inductive compensation
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Explain the difference between conductive and inductive compensation
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- Q9 / What are the function of brushes , pole and commutator in DC machineWhich of the following sensors has a permanent magnet inside? Hall effect sensor thru-beam optical sensor piezo-electric sensor LVDT capacitive proximity sensor |o|0|0|6A 500-turn coil is wound on an iron core. When a 120-V-rms 60-Hz voltage is applied to the coil, the current is 1 A rms. Neglect the resistance of the coil. Determine the reluctance of the core. Given that the cross-sectional area of the core is 5 cm2 and the length is 20 cm, determine the relative permeability of the core material.
- A thermistor which has an input of a temperature change, the output form is:Select one:a. Resistance O b. VoltageO c. HeatO d. Displacement O e. Magnetic fieldf. Capacitanceg. CurrentAa - AaBbCcl AaBbCcl AaBbC 1. Av 1 Normal 1 No Spac. Title Editing Dictate Sensitivity Editor Reuse Pick Files Imag Paragraph Styles Voice Sensitivity Editor Reuse Files Picki 5. A PMMC voltmeter with a resistance of 10 ohms gives has a coil of effective depth of 3 mm and a width of 2.5 cm, the coil has about 100 turns. The flux spread in the air gap is of 10mWb/m. The spring has a constant of 2 x 10 Then calculate, Deflection torque produced by the coil, when it is connected to 20V to measure. ii. Deflection made by the pointer, when the meter is to measure a voltage of 10V i. ed States) DFocusA triac can pass a portion of …………… half-cycle through the load a. neither positive nor negative b. both positive and negative c. only negative d. only positive
- A. A coil of 1000 turns is uniformly wound on a ring of non-magnetic material, the mean diameter being 20 cm. The cross-sectional area of the coil is 4 cm2. Determine the selfinductance of the coil. Ans. 0.8mH B.An iron core 0.4m long and 5 cm2. In cross section, is wound with 300 turns. When a current of 0.5 A flows in the coil, how much is the inductance of the coil. Assume the core has a permeability of 2500.Verify the following property of the twiddle factor:What is damper?
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