A toroidal air cored coil with 1000 turns has a mean diameter of 50 cm, radius of each turn being 3 cm. If the current in the coil is 5 A, find MMF, flux and flux density.

Q: 1.Consider the magnetic core below.All dimensions are shown on the figure. The core is made up of…

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Q: A 120-V-rms 60-Hz sinusoidal voltage appears across a 500-turn coil. Determine the peak and rms…

A: Given:  f = 60 Hz; Erms = 120 V; N = 500 turns Calculate other parameters, The sinusoidal voltage…

Q: A magnetic coil with 2000 turns produces 1 mWb of flux when it carries a current of 2 A. The current…

A: Given,N=2000 turnsϕ=1mWb=0.001 WbI=2 AFlux collapses in t=10 ms= 0.01 sAverage voltage that will…

Q: A 100-turn coil wound on a magnetic core is found to have an inductance of 200 mH. What inductance…

A: Given data, The value of number of turns N1 = 100. The value of number of turns N2 = 200. The value…

Q: A flux of 0.0016 Wb flows in a silicon sheet steel coil/core. The arrangement appears as shown below…

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Q: An air-cored choke is designed to have an inductance of 20H when operating at a flux density of I…

A: We have been given an air-cored choke having,   Inductance (L) = 20 H Flux density = 1 Wb/m2…

Q: A coil with 150 turns is wound over a 200 cm a cylinder iron core whose relative permeability is…

A: Magnetic Flux Density: The magnetic flux passing through the core per unit area is called Magnetic…

Solenoids

A solenoid is a common term for a telephone coil used as an electromagnet. It also refers to any device that uses a solenoid to convert electrical energy into mechanical energy. The device generates a magnetic field from an electric field and uses the magnetic field to produce precise motion. Solenoid valves are often used to change power, such as in-car transmitters or valves, such as in the fuel system.