Three inductive coils each of reactance 87 ohms and frequency of 50 Hz, 420V supply. Calculate the inductance of the coil in Henry. 0.165 O 0.277 O 0.1496 O 0.1814
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Q: Three inductive coils each of reactance 87 ohms and frequency of 50 Hz, 420V supply. Calculate the…
A: Given, Inductive coil reactance, XL= 87 Ω Frequency, f= 50 Hz
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- Choose correct answer ? Mutual inductance between two magnetically coupled coils depends on the ........................ * Current direction and coupling coefficient Dot polarity and coupling coefficient Current direction, coupling coefficient and dot polarity Current direction and dot polarityGENERAL RLC CIRCUITS: Solve and show your solution completely. Make sure your answers are in 4 decimals places. The ohmic resistance of a large magnetic contactor is measured to be 20 ohms. A 230 V 60 Hzis impressed upon the contactor and the current is taken as 3.2 amperes. Neglecting core loss,determine the inductance of the contactor in mH.A 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
- L The thermoelectric effect is the direct conversion of tomperature differences to electric voitage and vice versa oloctric voltage to temperature differenc ii. The Seebeck offect is the build up of an electric potential across a temperature grodient. L. Tho Poltior offoct is tha prosonco of temmperaturo difforoncos at an oloctrifiod junction of two difforont conductors. Which of the definitions given abovo are correct about thermal properties of matorials?5. An iron core 0.4m long and 5 cm?. 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 pemeability of 2500.14. An open coil has resistance and inductance. 15. The circuit element that oppose the change in circuit current.. 16. It is the number of lines of forces in webers? 17. What type of device consists of a coil with a moveable iron core. 18. What will happen when an inductor's magnetic field collapses the voltage will? 19. What is the inductance of 5H and 100 milli H coil connected in parallel. 20. It is the magnetic field generated around a conductor when a current passes through it.
- A.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.Mutual inductance.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.
- 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 350mHAn inductor is constructed by winding a coil of 100 turns around a magnetic core. The core is a cylinder with radius 0.5 cm and the core material has relative permeability of 1000. The coil covers a length of 10 cm. Determine the resulting inductance. Enter your answer in mH rounded to two decimal places.What do you think will happen to the current if the frequency is adjusted higher in the pure inductance experiment? and what will happen to the current if the frequency is adjusted lower in pure inductance experiment? explain why please