Explain how electromagnetic induction can be used to detect metals? This technique is particularly important in detecting buried landmines for disposal, geophysical prospecting and at airports.

Q: There is a figure below shows a single-turn rectangular-shaped circuit with a width, w = 0.123 m,…

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Q: A 20-cm-diameter circular loop of wire is placed in a 0.72-T magnetic field. 1) When the plane of…

A: Given that:Diameter, D=20 cmRadius, R=D/2=10 cm=0.10 mMagnetic field, B=0.72 T

Q: a)To make the solenoid, 1.0 mm diameter copper wire covered with a very thin layer of insulation is…

A: Given: Diameter of copper wire = 1 mm = 0.001 m Length of solenoid = 50 cm = 0.5 m Diameter of…

Q: when it flies at 1000 km/hr horizontally so as

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Q: If the change in magnetic field is 0.3T in 0.2s as shadow walks through the coils, does the trap…

A: The current induced in the coil can found by Ohm’s law as, Here, ε, i, and R represent the induced…

Q: A powerful induction cannon can be made by placing a metal cylinder inside a solenoid coil. The…

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Q: How fast would a metalic airplane with a 25 m wingspan have to fly through the vertical 5.6 x 10-8 T…

A: As charges on wing span experiece magnetic force and travel to the ends of wing and electric field…

Q: In electromagnetic induction, explain how does the number of coils affect the current produced?

A: Induced voltage is directly proportional to the number of coils. Therefore, current produced is…

Q: In the figure, a metal rod is forced to move with constant velocity along two parallel metal rails,…

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Q: An incredible amount of electrical energy passes down the funnel of a large tornado every second.…

A: Given data constant magnetic field is B=1.5×10 -8 T Distance is d=9.00 km =9.00×103  m Permeability…

Q: Magnetic resonance imaging (MRI) is a medical technique for producing “pictures” of the interior of…

A: The given values are, A=0.032 m2Bi=1.5 TBf=0                      for vanish the fieldε=0.010 V

Q: . A segment of wire 5.3 cm long is moving at a velocity of 6.68 m/s toward a parallel (much longer)…

A: Given Data:The length of the wire is The velocity of the wire segment is The current in the wire is…

Q: 1. An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…

A: Given: Magnetic…

Q: An airplane with a wingspan of 35 m travels at 95 m/s within Earth's magnetic field which is modeled…

A: Given B=25μT=25x10-6T L=35m v=95m/s

Q: A copper ring and a wooden ring of the same dimensions are placed in magnetic fields so that there…

A: According to Faraday's law of electromagnetic induction, whenever there is a change in magnetic flux…

Q: You have been hired as an expert witness by an attorney for a trial involving a traffic accident.…

A: Let V→1i and V→2i be the initial velocities of plaintiff and defendant respectively,And let V→1f and…

Q: Assuming the Earth's magnetic field averages about 0.50×10-4 T near Earth's surface, estimate the…

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Q: Calculate the Hall voltage induced on a patient’s heart while being scanned by an MRI unit.…

A: Given: Magnetic field B=1.50 T length of conductor l=7.50 cm velocity,v=10 m/s

Q: A doctor monitors the flow rate of blood using an electromagnetic flowmeter. Electrodes A and Bmake…

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Q: A 212 turn rectangular coil of length 44 cm and breadth 77 cm is placed in the earth's magnetic…

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Q: In the figure below, a uniform magnetic field decreases at a constant rate dB/dt = –K, where K is a…

A: (a) The charge on the capacitor, when it is fully charged. As the magnetic field is directed into…

Q: A generator is constructed by coiling wire into a circular loop of 4 turns and radius O.20 m, the…

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Q: Two concentric coplanar semicircular conductors form part of two current loops as shown in the…

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Q: The drawing shows a type of flow meter that can be used to measure the speed of blood in situations…

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Q: The drawing shows a type of flow meter that can be used to measure the speed of blood in situations…

A: Given Velocity of the blood   = 0.35 m/s Diameter of the vessel = 7.6 mm Magnetic field…

Q: Identify the expression for magnetic induction from the following. a) B = μo(H+I) b) B = μo(H×I)…

A: A

Q: An airplane with a wingspan of 60.0 m flies parallel to the Earth’s surface at a point where the…

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Q: The axle of a railway engine is of length 1.5 m. Calculate the e.m.f. that will exist between the…

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Q: A metal wire of area of cross section 1.6 × 10-7 m² and specific resistance 8 × 10-6 m is bent into…

A: We need to find-Speed of loop (v)=?The data given as-Area of cross-section (A)=1.6×10-7 m2Specific…

Q: A person who works with large magnets sometimes places her head inside a strong field. She reports…

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Q: a) What is the speed of a supersonic aircraft with a 17.0 -m wingspan, if it experiences a 1.60 -V…

A: Solution: Given that L = 17 m ε Voltage = 1.6 V B = 8x10-5 T