A coil has 240 turns and is wound on an air-cored bobbin 4.5 cm long and 0.2 cm in diameter. Given that the permeability of free space is 4π X 10^-7 H/m, the inductance in microhenrys is
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- In reference to the load, how are capacitors connected to help prevent voltage spikes and surges? Are capacitors connected in parallel or in series with the load?An 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.A ten-turn solenoid has a ferromagnetic core with a relative permeability of 10,000. The length of the solenoid is l=10 cm and its cross section area is A=1 cm2. Determine the inductance L in mH. Round off to your answer to one decimal.
- Two identical air cored solenoids have 200 turns, length of 25 cm and cross-sectional area of 3 sq. cm. Each. The mutual inductance between them is 0.5 uH. Find the self-inductance of each coil and the coefficient of coupling.Eddy currents can be induced only in metals that are not ferromagnetic, for example, copper and aluminium. Select one: True FalseTwo identical air core solenoid has 200 turns, length of 25 cm and cross-sectional area of 3 sq.cm. Each. The mutual inductance between them is 0.5 uH. Find the self-inductance of each coil and the coefficient of coupling
- Find the capacitance if correct will upvote otherwise i will dislike...Ex Por finding the capacitance of Coaxial cable Let the potential between the two conductors is Vo Inner vadies a outer radies b-Prove that in Maxwell bridge can be used to measure inductanceby either with a variable Comparison Standard self-inductance or with Standard variable capacitance Ru= d R₂ R3 R. Lu= R₂R₂ C R₂ A R3 Lu
- Q14. An air filled parallel plate capacitor is arranged such that the upper plate carries surface charge density 2C/m2 and lower plate carries surface charge density -2C/m as shown in figure. The electric field intensity under the bottom plate will be -2a/ɛ0 -a,/ɛ0 None of these ロロQ19. For the series-parallel inductor circuit shown in figure B19, answer the following questions. L2 2mH 4mH L3 L4 SMHS 5mH 3.5mH L6 8mH L7 2mH L3 4.5mH e Figure B19 Determine the inductance, L3 value. ii) If E is the energy stored in inductor for current, Calculate the energy if the current value is increased twice.A coil that con sists of 450 windings is wound aroundabakelite ring. The mean diameter of the ring is 100 mm and the diameter of the bakelite core is 20 mm. The currentthrough the coil is 3 A. Determine: 1.1 a) the field stren gth b) the flux den sity c) the total flux A ringhas two halves. The onehalf is made from Cast iron, while the other is made from Cast steel. The two halves are held 1 mm apart with the aid of a paper disc. The cross-section al area and mean circumference of the ringis 345 mm? and0.6 m respectively. Therelative permeability of cast iron is 2400, while that of cast steel is 600. The ring has a coil with 200 win dings. The currentflow through the coil causes a flux den sity of 0.48T. 1.2 Calculate the: a) mmi b) currentflow Ignore the effects of fringing andleakage.