Find the mutual inductance between two ideally coupled coils of 2 H and 8 H. 1. 16 H 2. 8 H 3. 4 H 4. 2 H
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- What frequency must be applied to a 33-mH inductor to produce an inductive reactance of 99.526 ?An inductor has a current flow of 3 amperes when connected to a 240-volt, 60-Hz power line. The inductor has a wire resistance of 15 . What is the Q of the inductor?Inductive Circuits Fill in all the missing values. Refer to the following formulas: XL=2fLL=XL2ff=XL2L Inductance (H) Frequency (Hz) Inductive Reactance ( ) 1.2 60 0.085 213.628 1000 4712.389 0.65 600 3.6 678.584 25 411.459 0.5 60 0.85 6408.849 20 201.062 0.45 400 4.8 2412.743 1000 40.841
- Two coupled coils have inductance of L1 = 0.8 H and L2 = 0.2 H, respectively. If the coefficient of coupling is 0.75, find the turns ratio N1/N2 for the coils. Show Solution PleaseTwo coupled coils, L1=0.8 H and L2 = 0.2 H, have a coefficient of coupling k =0.9. Find the mutual inductance M and the turns ratio N1/N2.A coil has resistance of 5 ohm and inductive reactance of 4 ohm. a) what is the impedance of the coil? b) what is the admittance of the coil?
- A coil has resistance of 5 ohm and capacitive reactance of 6 ohm . a) what is the impedance of the coil? b) what is the admittance of the coil?11. Two coupled coils have self-inductances L1 = 2 H and L2 = 0.5 H, and a coefficient of coupling K = 0.9. Determine the turns ratio N1/N2 of the two coils.The mutual inductnce between two unity coupled coils of 9 H and 4 H will be ?
- An air-cored choking coil is subjected to an alternating voltage of 100 V. The current taken is 0.1 A and the power factor 0.2 when the frequency is 50 Hz. Find the capacitance which, if placed in parallel with the coil, will cause the main current to be a minimum. What will be the impedance of this parallel combination (a) for currents of frequency 50 (b) for currents of frequency 40?A solenoid coil needs to be manufactured which produces an inductance of at least 2000 Gauss (in SI system = Tesla) when a 10mA current flows through the conductor. Due to space limitations, the coil should be composed of 10 turns over a 1cm length. Do the required calculations and select a core material for the coil from the table below. Your answer will be given over the following series of questions. A. H = 0.12566 oersted B. H = 12.56637 oersted C. H = 1.25664 The relative permeability of the manufactured solenoid from the previous question is: A. μr = 15.916 B. μr = 15915.964 C. μr = 1.2665e10 D. None of the mentioned/ Geen van die genoemdeA solenoid coil needs to be manufactured which produces an inductance of at least 2000 Gauss (in SI system = Tesla) when a 10mA current flows through the conductor. Due to space limitations, the coil should be composed of 10 turns over a 1cm length. Do the required calculations and select a core material for the coil from the table below. Your answer will be given over the following series of questions. A. H = 0.12566 oersted B. H = 12.56637 oersted C. H = 1.25664