A relay with 2000 turns has a gap length of 0.8cm when the contacts are open...
A relay with 2000 turns has a gap length of 0.8cm when the contacts are open and 0.2cm when the contacts are closed. Given that the cross sectional area is 2 cm2, determine the pickup and dropout currents for the case that the spring exerts a force of 0.08N.
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A relay with 2000 turns has a gap length of 0.8cm when the
contacts are open...
A gas is contained in a vertical, frictionless piston-cylinder device. The piston has a mass of...
A gas is contained in a vertical, frictionless piston-cylinder device. The piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. A compressed spring above the piston exerts a force of 110 N on the piston. If the atmospheric pressure is 95 kPa, determine the pressure inside the cylinder. The pressure inside the cylinder is _______ kPa.
Figure < 1 of 1 Consider, for instance, a bar of initial length L and cross-sectional...
Figure < 1 of 1 Consider, for instance, a bar of initial length L and cross-sectional area A stressed by a force of magnitude F. As a result, the bar stretches by AL (Figure 1) Let us define two new terms: • Tensile stress is the ratio of the stretching force to the cross-sectional area: stress = 5 • Tensile strain is the ratio of the elongation of the rod to the initial length of the bar strain= 41 It...
15 marks] B. A toroidal core with a mean diameter of 200 mm and a cross-sectional area of 800 mm has an air gap of length 1.1 mm cut in it Fringing and leakage of flux around the air gap may be negle...
15 marks] B. A toroidal core with a mean diameter of 200 mm and a cross-sectional area of 800 mm has an air gap of length 1.1 mm cut in it Fringing and leakage of flux around the air gap may be neglected (i) Determine the current required in a coil of 1100 turns to produce a flux density of 1 T The relative permeability , of the core material (iron) may be assumed to be 3000 for this level...
8. Abductin, an elastic protein found in the ligaments of scallops, has a Young’s modulus of...
8. Abductin, an elastic protein found in the ligaments of scallops, has a Young’s modulus of 4.00 MPa. The inner hinge ligament has a cross-sectional area of 0.780 mm2 and a relaxed length of 1.00 mm. When the muscles in the shell relax, the shell opens. This increases efficiency as the muscles do not need to exert any force to open the shell, only to close it. If the muscles must exert a force of 1.96 N to keep the...
Help me solve this question asap wire is bent and placed in a uniform magnetic field...
Help me solve this question asap
wire is bent and placed in a uniform magnetic field B. Current flows in the wire as shown in FIGURE 1 (a) A ЗА 0 cm 10 cm B-0.12 T 420 Q 20 cm FIGURE 1 Determine the magnitude and direction of the force that acts on each segment PQ, QR and RS [5 marks] The length of a 500 turns solenoid is 3 cm. Calculate the magnetic field inside the [1 marks (b)...
1. a. One solenoid is centered inside another. The outer one has a length of 47.0...
1. a. One solenoid is centered inside another. The outer one has a length of 47.0 cm and contains 6700 coils, while the coaxial inner solenoid is 5.00 cm long and 0.170 cm in diameter and contains 17.0 coils. What is the mutual inductance of these solenoids? The current in the outer solenoid is changing at 38.0 A/s. b. Find the emf induced in the inner solenoid. c. A toroidal solenoid has a mean radius of 18.0 cm and a...
A solenoid has a radius Rs 15.0 cm, length L 3.50 m, and Ns 6500 turns....
A solenoid has a radius Rs 15.0 cm, length L 3.50 m, and Ns 6500 turns. The current in the solenoid decreases at the rate of 69.0 A/s. A circular coil with a single turn and radius rc 22.0 cm encircles the solenoid with its plane perpendicular to the axis of the solenoid. Determine the magnitude of the average induced electric field in the coil. 1.77E-2X How is the emf over a closed path related to the electric field around...
Magnetic Circuits y Part A - Calculate reluctances Learning Goal: To understand how magnetic structures can...
Magnetic Circuits y Part A - Calculate reluctances Learning Goal: To understand how magnetic structures can be analyzed by drawing an equivalent circuit, and to use the equivalent circuit to calculate magnetic fluxes and coll currents. When analyzing magnetic structures, the geometry is often complex enough that using the fundamental rules can be very difficult without numerical methods. However, there are approximate methods that are often sufficient for engineering calculations. When the magnetic field is mostly contained within cores of...
Chapter 14, Problem 010 The plastic tube in the figure has a cross-sectional area of 5.83...
Chapter 14, Problem 010 The plastic tube in the figure has a cross-sectional area of 5.83 cm2. The tube is filled with water until the short arm (of length d- 0.969 m) is full. Then the short arm is sealed and more water is gradually poured into the long am. If the seal will pop oft when the force on it excceds 5.96 N, what total height of water in the long arm will put the seal on the verge...
Magnetic Circuits - Part A - Calculate reluctances Using the information given in the introduction, calculate...
Magnetic Circuits - Part A - Calculate reluctances Using the information given in the introduction, calculate the reluctances for the equivalent circuit shown. Express your answers to three significant figures in A turns w View Available Hints) 00 AED Ivec ? R. R₂ R- W Learning Goal: To understand how magnetic structures can be analyzed by drawing an equivalent circuit, and to use the equivalent circuit to calculate magnetic fixes and coll currents. When analyzing magnetic structures, the geometry is...
Figure < 1 of 1 Consider, for instance, a bar of initial length L and cross-sectional area A stressed by a force of magnitude F. As a result, the bar stretches by AL (Figure 1) Let us define two new terms: • Tensile stress is the ratio of the stretching force to the cross-sectional area: stress = 5 • Tensile strain is the ratio of the elongation of the rod to the initial length of the bar strain= 41 It...
15 marks] B. A toroidal core with a mean diameter of 200 mm and a cross-sectional area of 800 mm has an air gap of length 1.1 mm cut in it Fringing and leakage of flux around the air gap may be neglected (i) Determine the current required in a coil of 1100 turns to produce a flux density of 1 T The relative permeability , of the core material (iron) may be assumed to be 3000 for this level...
Help me solve this question asap
wire is bent and placed in a uniform magnetic field B. Current flows in the wire as shown in FIGURE 1 (a) A ЗА 0 cm 10 cm B-0.12 T 420 Q 20 cm FIGURE 1 Determine the magnitude and direction of the force that acts on each segment PQ, QR and RS [5 marks] The length of a 500 turns solenoid is 3 cm. Calculate the magnetic field inside the [1 marks (b)...
A solenoid has a radius Rs 15.0 cm, length L 3.50 m, and Ns 6500 turns. The current in the solenoid decreases at the rate of 69.0 A/s. A circular coil with a single turn and radius rc 22.0 cm encircles the solenoid with its plane perpendicular to the axis of the solenoid. Determine the magnitude of the average induced electric field in the coil. 1.77E-2X How is the emf over a closed path related to the electric field around...
Magnetic Circuits y Part A - Calculate reluctances Learning Goal: To understand how magnetic structures can be analyzed by drawing an equivalent circuit, and to use the equivalent circuit to calculate magnetic fluxes and coll currents. When analyzing magnetic structures, the geometry is often complex enough that using the fundamental rules can be very difficult without numerical methods. However, there are approximate methods that are often sufficient for engineering calculations. When the magnetic field is mostly contained within cores of...
Chapter 14, Problem 010 The plastic tube in the figure has a cross-sectional area of 5.83 cm2. The tube is filled with water until the short arm (of length d- 0.969 m) is full. Then the short arm is sealed and more water is gradually poured into the long am. If the seal will pop oft when the force on it excceds 5.96 N, what total height of water in the long arm will put the seal on the verge...
Magnetic Circuits - Part A - Calculate reluctances Using the information given in the introduction, calculate the reluctances for the equivalent circuit shown. Express your answers to three significant figures in A turns w View Available Hints) 00 AED Ivec ? R. R₂ R- W Learning Goal: To understand how magnetic structures can be analyzed by drawing an equivalent circuit, and to use the equivalent circuit to calculate magnetic fixes and coll currents. When analyzing magnetic structures, the geometry is...
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