²x Refer to the figure below. A rectangular current loop, with area = ab, is pivoted around the z-axis with an angle to the y-axis. The current I is directed by the red arrows as shown. Assume a magnetic field B=Ba . Determine the expression that will solve for the torque. Z b a $ y
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- The figure shows a cross section of several conductors carrying currents through the plane. The currents have the magnitudes l₁ = 4 A, 1₂ = 6 A and 13 = 2A. The directions of the currents is shown at the picture. Four paths labeled a through d are shown. What is the line integral of the magnetic field across each path? Each integral involves going around the path in the counter clockwise direction. 1. What is the line integral of the magnetic field across path a? Enter the missing part in the expression Ho 2. What is the line integral of the magnetic field across path b? Enter the missing part in the expression Ho'l 3. What is the line integral of the magnetic field across path c? Enter the missing part in the expression Hol 4. What is the line integral of the magnetic field across path d? Enter the missing part in the expression Ho 110 b 120 d ) ) ) )I need help understanding this problem. These are the correct answers I just need a break down of how to get them.a. The circle below represents a Brunton compass. What is the bearing of the following objects with respect to you if the needle of the compass points to the following directions? Express the reading in quadrantal and azimuthal notation. Note that magnetic north is denoted by 0°. Hint: You must first use geometric construction to find the center of the circle. 0° A Direction Quadrantal Azimuthal A В В E
- Determine the direction of the vector U, B, or F that is missing from the pair of vectors shown in each scenario. Here, u is the velocity vector of a moving positive charge, B is a constant and uniform magnetic field, and F is the resulting force on the moving charge. 1. 4. OB F ta V F O 2. 5. B TE ↑> V F Answer Bank - 3. 6. F OV TE F ĮAn electron moves at 2.70 × 106 m/s through a region in which there is a magnetic field of unspecified direction and magnitude 7.00 × 10-² T. Part A What is the largest possible magnitude of the acceleration of the electron due to the magnetic field? Express your answer with the appropriate units. a = 0 xa Submit HÅ Xb Value 016 X.10n Units X Previous Answers Request Answer ?A magnetic needle with magnetic moment μ = 0.045 Am2 is placed in a uniform magnetic field B = 0.45 T as shown in the figure. The angle between the direction of the magnetic moment and the direction of the magnetic field is θ = 75°. 1. Ignore the mass of the needle, express the work needed to change the angle from θ to α in terms of μ, B, θ, α.
- Please help: The lightbulb in the circuit shown has a resistance of 21 Ω and consumes 5.1 W of power, the rod is 1.22 m long and moves to the left with a constant speed of 2.8 m/s. The strength of the magnetic field is 3.0 T. what speed must the rod have if the current in the circuit is to be 1.2 A? Express answer using two significant figuresA current of IL = 0.10 A runs clockwise in a loop forming the figure shown below. A uniform magnetic field magnitude B=0.007 T points to the left. 5. L, = 0.020 m L4 0.050 m L, = 0.030 m B L3 = 0.060 m a) Find the force on each segment, giving both an expression or value for the magnitudes the directions shown on the diagram. Use arrows for any forces in the plane of the page and dots and x's for any forces out of and into the page, respectively. b) Find the direction (if there is a force) and the magnitude of the net force on the loop (numbers or expressions for magnitude.) c) Find the direction (if there is a torque) and magnitude of the net torque (numbers or expressions for magnitude, vector direction or rotation sense for torque if there is a torque.)