A conducting rod spans a gap of length L = 0.065 m and acts as the fourth side of a rectangular conducting loop, as shown in the figure. A constant magnetic field with magnitude B = 0.75 T pointing into the paper is in the region. The rod is pulled to the right by an external force, and moves with constant speed v = 0.015 m/s. The resistance in the wire is R = 180Ω. Part (a) Express the magnitude of the magnetic flux going through the loop, Φ, in terms of B, a and L. Part (b) Express the change in the magnetic flux, ΔΦ, in terms of B, L, v and Δt. Part (c) Express the magnitude of the average emf induced in the loop, ε, in terms of B, L, v. Part (d) Calculate the emf, in volts. Part (e) Express the current induced in the loop, I, in terms of ε and R.

Q: Problem 2. A linear machine has the following characteristics: magnetic flux density B = 0.5 T into…

A: Given, magnetic flux density is, B=0.5T --into the page, length of bad, L=0.5m external resistance,…

Q: conducting rod is free to slide on two para the end of the bar The condueting ber and

A: Given- Power P=64 W The constant speed of the rod is v=8 m/s

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A: Solution      Given dataSide of Square coil a=3.30cm=3.30×10−2m2Areavof square coil…

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A: Given:: Quantitative explaination

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A: a)The expression for the magnetic flux,

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A: Magnetic field strength at the center of coil having N number of turns is given by as B= u°NI/(2r)

Electromagnets

The word "electromagnet" is composed of two words, ‘electro’ and ‘magnet’. It is a type of magnet in which an electric current helps in the generation of a magnetic field. Electromagnets usually consist of two major parts, wire and a coil around which the wire is wound. This is called a solenoid. When an electric current is allowed to pass through the coiled wire, the electric current produces a magnetic field. This magnetic field is present only when current is passing through the wire.