Why is it useful to have an electromagnet instead of just using a permanent magnet(s) in the Speaker system?
Q: What does the separation of turns of a solenoid affect in the experiment of the “world’s simplest…
A: The separation of turns is also know as number of turns per unit length. When the superstations…
Q: The figure below shows a 90-turn square coil rotating about a vertical axis a w= 1,410 rev/min. The…
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Q: (a)Explain elaborately the dissimilarities between Biot-Savart's law for the calculation of magnetic…
A: Magnetic field due to a moving charge (Biot-Savart's law) is given as B=μo4π×idlsinθr Coulomb's law…
Q: Inductors store energy in a magnetic field created by the flow of current while capacitors store…
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Q: A circular wire loop is placed in a uniform magnetic field region such that its plane is…
A: According to Faraday second law Induced emf is directly proportional to rate of change of magnetic…
Q: can someone please explain to me how a dynamic microphone involves magnetic flux and faradays law in…
A: Dynamic microphone
Q: 1. A 0.80-m aluminum bar is held with its length parallel to the east- west direction and dropped…
A: Solution:- The given data is: 1.The length of the Aluminum…
Q: I Dexame Use Ampere's law to calculate the magnetic field at a distance, r, around a very long wire…
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Q: A "magnetic shield member" that wraps the inductance is used so that the magnetic field from the…
A: Discuss about the hard and soft magnetic materials. which are the best shield materials.
Q: 5. lons flow in a circular pipe of radius, a, such that the current density at a radius of r a). Use…
A: According to ampere's law, the closed line integral of magnetic field along magnetic field lines is…
Q: 9-Consider a solenoid through which we run an electric current... Which of the following choices…
A: The turns of wire are brought together but the current running through the solenoid is constant.
Q: An aircraft travels of 200m/s at allocation where Earth's magnetic field is 4x10^-5 T and is nearly…
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Q: Does self-inductance depend on the value of the magnetic flux? Does it depend on the current through…
A: From the given equation,
Q: A supersonic airplane with a wingspan of 10 m is flying over the north magnetic pole (with a…
A: Given : L = 10 m B = 0.5 G = 0.5 × 10-4 T v = 3vsound v= (3)(340) v= 1020 m/s θ = 90° (because…
Q: The magnetic field in the core of an air-filled solenoid is 1.50 T. By how much will this magnetic…
A: The value of magnetic field in vacuum is,
Q: 3) The magnitude of the magnetic field inside a solenoid is...? alm ost zero proportional to the…
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Q: Two long, parallel wires are separated by a distance d and carry current I flowing in opposite…
A: So Now
Q: True or False. An air core inductor would have more magnetic flux in it than an iron core inductor.
A: There are many questions are given so we will solve only the first question for you. if you want the…
Q: What are the directions of the fields in the center of the loop and coils shown?
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Q: What happens to the magnitude and direction of the magnetic field near the ends of the solenoid? Is…
A: Magnetic field at the center of long tightly wound solenoid: Magnetic field strength (B) inside a…
Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
A: The objective of this question is to find the average electromotive force (emf) induced in the…
Q: Which of the following factors affects the inductance of a solenoid? Magnitude of the current…
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Q: Why magnetic field strength increases when you put a ferromagnetic material inside a solenoid…
A: To explain why the magnetic field increases
Q: How can you show that there is a field around a solenoid?
A: Introduction: A solenoid is a current-carrying long cylindrical coil with a large number of turns.
Q: Magnetic Field (mT) 0.20 0.15 0.10 0.05 0.00 0 Linear Fit for: 72 coils/m | Magnetic Field B=ml+b m…
A: From the given diagram relationship between magnetic field and current is shown by straight line…
Q: One way to think about the energy storedin an L-C circuit is to say that the circuit elements do…
A: if an inductor and capacitor is connected to the circuit by a a.c battery. then it does work to…
Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
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Q: Explain, all the sources of the magnetic field; you can read the out from the Maxwell-Ampere law. Is…
A: The following are the three sources of magnetic fields: Current-carrying conductors An electric…
Q: ) B-field Curve. A circular ring of radius r = 0.10 m and resistance Ro = 2.02 sits in a uniform…
A: GIVEN : Radius r= 0.10 m, Resistance R0 =2.0 Ω
Q: Would someone be able to explain the answers to these questions? I am a bit confused on how the…
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Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…
A: Initial magnetic field is B1=0 Final magnetic field is B2=2.00 T Diameter of the ring is d=2.03…
Q: 15) (5 pts) A charged particle moves with velocity which has components parallel and perpendicular…
A: A charge particle moves with velocity which has components parallel and perpendicular to the…
Q: There are two units of measurement for the magnetic flux: the weber and the maxwell. How are they…
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Q: When you double the number of windings in a solenoid keeping all other parameters (radius, length…
A: Accroding to the Fleming's left…
Q: (36) Which of the following is most likely an application of eddy currents (A) speaker that consists…
A: Eddy Currents Eddy currents are induced by changing magnetic fields in closed loops, and they are…
Q: (a) In an oscillating LC circuit, in terms of the maximum charge Q on the capacitor, what is the…
A: Part(a): The electric energy = UE The magnetic energy = UB It is given in the question that the…
Q: We often assume that the magnetic field is uniform in a region and zero everywhere else. Show that…
A: The current flow only in one conductor. The rest of the conductors have magnetic field but the…
Q: Discuss the possibility that a Hall voltage would be generated on the moving heart of a patient…
A: Hall effect: When the magnetic field is applied across the current-carrying conductors or devices,…
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