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A toroid filled with a magnetic substance carries a steady current of 0.949 A. The coil contains 1080 turns, has an average radius of 5.11 cm. The magnetic field through the toroid is 0.309155 T. Assume the flux density is constant.
-What is the magnetic field strength H within the core in the absence of the magnetic substance? Answer in units of A/m.
- Determine the permeability of the core material. Answer in unit of Wb/Am.
a) Draw the shear force diagram and indicate the position of maximum bending moment.
q1. a 28 kg loudspeaker is suspended 3.0 m below the ceiling by two cables that are each 64 degrees from vertical. what
Concrete is pumped from a cement mixer to the place it is being laid, instead of being carried in wheelbarrows. What is the viscosity of the concrete, assuming the flow is laminar
question1a hollow sphere of radius 0.15 m with rotational inertia 1 0.040 kgm2 about a line through its center of mass
What is magnitude of the greatest force
Three identical stars of mass M = 3.1x1030 kgform an equilateral triangle that rotates around the triangle'scenter as the stars move in a common circle about that center. Thetriangle has edge length L = 8.3x1010 m. What is the speed of the stars?
A plastic ball in a liquid is acted upon by its weight and by a buoyant force. The weight of the ball is 4.8N. The buoyant force has a magnitude of 6.5N and acts vertically upward. External force acting on the ball maintains it in the state of res..
A solid block is suspended from a spring scale. The reading on the scale when the block is completely immersed in water is 25.8 N, and the reading when it is completely immersed in a liquid of density 869 kg/m3 is 26.7 N.
The potential difference between two plates is 500 V and the separation between the plates is 7.00 cm. How much work would you have to do to move a proton next to the negative plate to 2.00 cm from the positive plate
A motorcycle stunt rider rides horizontally off the edge of a vertical cliff of height 8.5 m and lands safely 12.3 m from the base of the cliff. What was the direction of the motorcycle's velocity just before hitting the ground
What is the equivalent resistance between points a and b in the figure below? In the figure, R1 = 48 Ω and R2 = 46 Ω.
Approximately how many atoms make up our planet? For simplicity, suppose the average atomic mass of the atoms is 14 . Avogadro's number gives the number of atoms in a mole.
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