A rectangular loop of wire is placed perpendicular to a uniform magnetic field and then spun around one of its sides at frequency f. The induced emf is a maximum when: O the flux is zero O the flux is a maximum O the flux is half its maximum value O the derivative of the flux with respect to time is zero O none of the above
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A: Given:no of turns, n = 50Initial area, Ai = 0.270 m2Final are, Af = 0 m2Time taken, t = 0.1…
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A: Correct answer is All of the above
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A: Area of single loop of wire (A) = 0.1 m2Magnetic field intensity (B) = 2 T time taken to reduce the…
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A: We have to use some basic formula here.
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Q: uppose a 58-turn coil lies in the plane of the page in a uniform magnetic field that is directed…
A: given:- N = 58 turns B = 1.20 T A = 0.300 m2 ∆t = 0.100 s
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Q: A 50-turn coil has a diameter of 15 cm. The coil is placed in a spatially uniform magnetic field of…
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- A small rectangular loop of wire is located close to a long straight wire initially carrying a current I = 104 A (see figure below). Find the average emf induced in the loop if the current in the wire reverses direction in a time interval of 1/143 s. magnitude direction10 - chapter31-question32 As seen in Figure, a square loop of wire has sides of length e = 1.0 cm. A magnetic field is directed out of the page; its magnitude is given by B = 4.0t²y, where B is in Tesla, t is in seconds, and y is in meters. At t %3D 2.0 s, what are %3D the magnitude (in Volts) and direction of the emf induced in the loop? B Option1 Option2 Option3 Option4 Option5 4.0 x 10-6 | 8.0 x 10-6 1.1 x 10-5 5.2 x 10-5 8.0 x 10-5 clockwise clockwise counterclockwise clockwise counterclockwise a) Option3 b) Option4 Option5 Option2 Option1 Boş bırakAt the instant when the current in an inductor is increasing with a rate of 640 x 10-4 A/s, the modulus of the self-induced electromotive force is equal to 160 x 10-4 V. a) what is the inductance of the inductor?b) if the inductor is a solenoid with 400 turns, what is the average magnetic flux through each turn when the current is equal to 720 x 10-3 A?
- A 40-turn coil has a diameter of 13 cm. The coil is placed in a spatially uniform magnetic field of magnitude 0.40 T so that the face of the coil and the magnetic field are perpendicular. Find the magnitude of the emf induced in the coil (in V) if the magnetic field is reduced to zero uniformly in the following times. (a) 0.80 s V (b) 8.0 s V (c) 55 s Va) A square conducting loop with width of 10 cm is moved away from a very long wire carrying a current I in free space as shown in Fig. 4(a). determine the emf induced if the velocity of the moving loop is u = ŷ 7.5 [m/s] and the current I = 5 [A] 10 ст I 10 cm u y Fig. 4(a)Compute the induced EMF in the small circular loop of wire centered at x=x0 and y=y0 on x-y plane resulting from the time varying magnetic diplole directed into the direction of z located on z axis at z=z0. The dipole moment of m of magnetic dipole is m = m, cos(ot) . The radius of small circular loop of wire is r1.(r1<A wire loop is spinning on its axis in a uniform magnetic field. Is there an emf induced in the loop? Yes, as long as the angular velocity is nonzero Yes, but only if the angular velocity of the loop is increasing or decreasing Yes, but only if the angular velocity of the loop is constant O NoPlease answer the question in the picture belowA coil is placed in a region where there is a constant magnetic field and the normal to the plane of the coil remains parallel with the direction of the magnetic field. Which one of the following options causes the magnitude of the induced Emf in the coil to be as large as possible? The area of the coil is being reduced slowly The area of the coil does not change The area of the coil is being increased rapidly The area of the coil is being increased slowly.The principle of induction heating is explored in this problem. A sheet of metal (good conductor) of conductivity oc is inserted into AC magnetic field whose value at the surface z =+d and wwww H(d) = (-unitvector y) 10 A/m H(-d) = (-unitvector y) 20 A/m Determine the expressions for (a) the magnetic field vector field H (z) and (b) the volume current density field J (z) in the field region -dA uniform magnetic field B is perpendicular to the plane of a circular wire loop of radius r and with resistance R. The magnitude of the field varies with time according to B = B0e-t/T, where B0and T are constants (T is time constant). (a) Find an expresssion for the emf induced in the loop as a function of time. (b) If the loop lies in the plane of the page and the magnetic field initially points out of the page, then what is the magnitude and direction of the induced current in the loop, i.e., is it clockwise, counter-clockwise, or is there no current induced in the loop? Include a diagram for this situation.In the figure below, a semicircular conductor of radius R = 0.220 m is rotated about the axis AC at a constant rate of 170 rev/min. A uniform magnetic field of magnitude 1.32 T fills the entire region below the axis and is directed out of the page. R Воли (a) Calculate the maximum value of the emf induced between the ends of the conductor. (b) What is the value of the average induced emf for each complete rotation? (c) How would your answers to parts (a) and (b) change if the magnetic field were allowed to extend a distance R above the axis of rotation? (Select all that apply.) O The value in part (a) would increase. The value in part (a) would remain the same. The value in part (a) would decrease. The value in part (b) would increase. The value in part (b) would remain the same. The value in part (b) would decrease. (d) Sketch the emf versus time when the field is as drawn in the figure. 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