determine the magnitude and direction of the magnetic field B at point P (see picture), if I1 = 10A, I2 = 5A, and I3 = 10A!
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determine the magnitude and direction of the magnetic field B at point P (see picture), if I1 = 10A, I2 = 5A, and I3 = 10A!
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- The graph shows the relationship between the magnetic field (B in mT) at the center of a solenoid and the current I (in A). If the solenoid is composed of 33 turns, what is its length in cm? Given that μ = 1.26x10-6 T.m/A B(mT) Round your answer to 1 decimal place. Your Answer: 0.045195 Incorrect The answer is 46.2 ± 5%. Y= 0.092 X + 0.2 I(A)Consider the following arrangement in the Figure: a) Calculate the magnitude of the magnetic field at point P of the figure in terms of R, I₁, I₂. Express your answer in terms of the variables I1, I2, R, and magnetic constant po. b) What does your expression give when I1=I₂? 2A magnetic field has a magnitude of 0.0527 T and is uniform over a circular surface whose radius is 0.226 m. The field is oriented at an angle of 27.9o with respect to the normal to the surface. What is the magnetic flux through the surface?
- Consider a short wire of length L, carrying a current I to the left. Define coordinates so that the wire is along the à axis, the current flows in the - direction, the y axis is vertical in the plane of the page and the 2 axis points out of the page. Which of the following expressions is an ap- proximate expression for the magnetic field at a point P on the y axis very close to the wire, i.e. a distance y < L below the mid- point of the wire? 1. B= 2(y2 + L2) O 2. B 0 3. B Hol 2ny Hol 4Vy2 + L² 4. B = Hol 4Ty 5. B = %3D O 6. B=-00 O, B = 47 (y2 + L2) 8. B = 27 Vy? + L2 40IL 2ny? 9. B = 10. B – _ 40! 2nyThe current in a long, straight conductor has the following form:I(t) = I0cos ωtWhat is the magnitude of the magnetic field a distance r away from theconductor?A cylindrical bar magnet of radius 1.00 cm and length 10.0 cm has a magnetic dipole moment of magnitude m = 2.00 A · m2. What is the magnetization M, assuming it to be uniform in the magnet? Answer in x10^4(A/m)
- The MIT Francis Bitter Magnetic Laboratory has achieved a magnetic field of 37.2 T(as of 2004). Find the current necessary to produce such a field near the center of asolenoid with radius 2.40 cm, length 32.0 cm, and 4.00 · 104 turnsPlease answer carefully.a) A wire of length L carrying a current of magnitude I is shown on the figure. Find the magnetic field vector at point P. Hint: You may find the following integrals useful: 1 1 -dx a Jx² +a? (x* +a*)* 1 -dx =- (x² +a*)* direction of current 2 X a P L 2
- The set up is shown in the figure, where 25 A is flowing in the wire segments, AB = CD = 36 m, and the wire segment arc has a radius 33 m subtending an angle of 90◦. The permeability of free space is 1.25664 × 10^−6 T · m/A. Find the magnitude of the magnetic field at O due to the current segment ABCD.Answer in units of T.magnetic fields Problem 19: Consider the two wires in the figure, running at a right angle to each other. The wires carry the same current I = 6.5 mA, in the directions shown. The distances shown are d1 = 31 cm and d2 = 11.5 cm. Part (a) What is the magnitude of the magnetic field, in tesla, at point A? Part (b) What is the magnitude of the magnetic field, in tesla, at point B? Part (c) What is the magnitude of the magnetic field, in tesla, at point C?