What will be the mutual inductnce between the two coils, if a current of 2sin(100*pi*t) passes through one of the coil, which induces a maximum emf of 10*pi in the second coil.
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What will be the mutual inductnce between the two coils, if a current of 2sin(100*pi*t) passes through one of the coil, which induces a maximum emf of 10*pi in the second coil.
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- You are a journeyman electrician working in an industrial plant. Your task is to connect an inductor to a 480-V, 60-Hz line. To determine the proper conductor and fuse size for this installation, you need to know the amount of current the inductor will draw from the line. The nameplate on the inductor indicates that it has an inductance of 0.1 H. An ohmmeter reveals that it has a wire resistance of 10 . How much current should this inductor draw when connected to the line?3. An industrial coil has a resistance of 32 ohms and a reactance of 24 ohms and rated 440V at 60Hz. A factory will connect the coil to a 440V , 50Hz supply. How much percentage over current will coil suffer?If a coil of wire has a resistance of 20ohms at 40oC and 20 at 80oC,what will be the resistance of the coil at 0oC. oC = degrees celcius
- A coil absorbs 20 W when connected to a 240 V, 400Hz. if the current is 0.2 A, find the resistance and the inductance of the coil.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
- A coil, of resistance 35 Ohm's and inductance 0.02 H, carries a current of 326.5 mA, when connected to a 400 Hz a.c. supply. Determine the supply voltage.Calculate the voltage at the terminals of a coil of resistance 10 ohms and inductance 15H at the instant when the current is 12A amd increasing at the rate of 6A/sec.Two coils having 30 and 600 turns respectively are wound side by side on a closed iron circuit of cross-section 100 cm² and of mean length of 150 cm. A current in the first coil grows steadily from zero to 10 A in 0.01 second. Find the emf induced in the coil. Relative permeability of iron is 2,000 a. 209.4 V b. 301.5 V c. 299.3 V d. 300.9 V
- In your solution, follow the sequence: Given, unknown, solution, and final answer. BOX your final answers. thank you! 10. What is the inductance of the coil whose resistance is 100 Ω if it draws 0.55 A from a 110 V. 60 Hz power line?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. Ans 350mHA 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. Select a suitable core material for the manufactured solenoid coil from the table. A. MnZn Ferrite B. 4750 alloy C. None of the mentioned/ Geen van die genoemde D. Silicon iron