Assume that the circuit in Figure 5(a) is now placed in a uniform magnetic fieldunder test. The inductor L2 in Figure 5(a) is now replaced by a Hall element shown inFigure 5(b). The depth of the Hall element is d, and its Hall coefficient is Ry. How canwe determine the magnitude B of the magnetic field with a voltage meter? Write downthe experimental procedure and show your derivation.lellL1R1►R2 L2メメFigure 5 (a)Figure 5(b)lell

Answered: Image /qna-images/answer/d9c5d6fe-286e-4f6d-bc46-73ec9059a67f.jpg

Answered: Assume that the circuit in Figure 5(a)…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A rectangular conducting loop of width L, resistance R, and mass m is in a magnetic field B, as indicated in the diagram below. The magnetic field is constant throughout the shaded region (and zero outside the shaded region) and is horizontally oriented into the page. If the loop is dropped, as it crosses the threshold of the magnetic field, it will reach a terminal speed vt. Find an expression for vt (ignoring air drag).
The distance between the wire and the circular current loop is r = 2.4 cm. (Figure 1) Figure O 2.0 A -Wire 0.20 A 1 of 1 2.0 mm What is the magnitude of the torque on the circular current loop? Express your answer with the appropriate units. T = Submit Part B μÀ Value Request Answer Units What is the loop's stable equilibrium position? ? O The dipole will be in equilibrium after rotating clockwise 135°. O The dipole will be in equilibrium after rotating clockwise 180°. O The dipole will be in equilibrium after rotating clockwise 45°. O The dipole will be in equilibrium after rotating clockwise 90°.
A flexible circular loop 8.00 cm in diameter lies in a magnetic field with magnitude 2 T, directed into the plane of the page in the figure. The loop is pulled at the points indicated by the arrows, forming a loop of zero area in 0.300 s. Find the average induced emf in the circuit. What is the direction of the induced magnetic field What is the direction of the induced current in R? (From a to b or b to a) If you rotate the circular loop as the top part out of page, what is the direction of the induced current in R? (From a to b or b to a) If you move the circular loop inside the magnetic field with a constant velocity toward the right, what is the direction of the induced current in R? (From a to b or b to a)
Instructions1. In the three cases, use the average of the two angles ( = (+) + () =2), the averageof the two currents ( I = I(+) + I() =2), and Eqs. (1) and (2), and calculate coilÖeld and the earth ís horizontal component of magnetic Öeld, B(earth) H [ Tesla ].2. Based on the three previous calculations, what is your experimental determination ofthe horizontal component of the earthís magnetic Öeld, B(earth) H [ Gauss ]?3. Take the accepted value of the earthís horizontal component of magnetic Öeld in southFlorida to be 0:25 Gauss and calculate the percent error in your answer.
A rectangular painting measures 1.00 m tall and 1.50 m wide, Fig. a. It is hung on the side wall of a spaceship which is moving past the Earth at a speed of 0.90c. (a) What are the dimensions of the picture according to the captain of the spaceship? (b) What are thedimensions as seen by an observer on the Earth? (L=L0*√1 − (?)2 )
(Figure 1) shows a circuit with an area of 0.070 m² containing a R = 1.0 N resistor and a C = 230 µF uncharged capacitor. Pointing into the plane of the circuit is a uniform magnetic field of magnitude 0.11 T. In 1.0 × 10-2 s the magnetic field strengthens at a constant rate to become 0.80 T pointing into the plane. Part A What maximum charge (sign and magnitude) accumulates on the upper plate of the capacitor in the diagram? Express your answer to two significant figures and include appropriate units. µA ? Value Units Submit Request Answer Provide Feedback Figure 1 of 1 R
A rectangular wire loop of height h, width w, and net electrical resistance R lies in the x-y plane. As shown in the figure below, the entire region x < 0 of space is occupied by a constant, uniform magnetic field which points in the –z direction (into the page). In order to determine the magnitude of this field, a student pulls the wire loop out of the magnetic field region at a constant velocity v in the +x-direction, and measures the current I induced in the loop during this process. I = 17 μAR = 35 ohmsh = 3 cm w = 8 cmv = 2 cm/sec a) What is the direction of the current induced in the wire loop? b)What is the magnitude B of the magnetic field?
As shown in the figure below, a circular ring with a radius of a is folded along a line across the diameter so that the two semicircles are perpendicular. In the magnetic field, this ring was rotated at a constant angular velocity over time, as shown in the figure. The axis of rotation is an extension of the fold-off line and is perpendicular to the magnetic field. The resistance of the ring is R. (1) Give a qualitative explanation of what will happen. (2)Find the current flowing through the ring. (3)What torque should be applied to the ring to allow it to rotate at a constant angular speed? (4)What do you have to do to turn it N round? (5) What energy changes from ring to heat? (6) How much energy changes from ring to heat? * I'll be so thankful and satisfied to get answer just least 3 of 6 questions..
The magnetic field B at all points within the colored circle of the figure (Figure 1)has an initial magnitude of 0.700 T. (The circle could represent approximately the space inside a long, thin solenoid.) The magnetic field is directed into the plane of the diagram and is decreasing at the rate of 0.0300 T/s. Figure X X X X X B X /b X 1 of 1 10.0 cm Part C What is the current in the ring if its resistance is 4.00 $? ΑΣΦ I = Submit Part D X Incorrect; Try Again; 5 attempts remaining What is the emf between points a and b on the ring? ε = Previous Answers Request Answer Submit Part E ΠΙΑΣΦ Request Answer ? IVE ΑΣΦ ? A If the ring is cut at some point and the ends are separated slightly, what will be the emf between the ends? ? V
b.) Find the net magnetic field at P. 10.) When a magnetic field is first turned on, the magnetic flux through a 10-turn coil varies over time. The equation for the magnetic flux is m = 200.0t2 – 120.0t, where the magnetic flux is measured in webers, and the t is in minutes. The loop is in the plane of the page, with the unit normal pointing out of the page. dºm a.) Calculate an expression for dt b.) Find an equation for the induced emf as a function of time.
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