consider a spring used as a solenoid with a magnetic field of 0.25 T. What is the magnetic field if the spring is stretched to twice its original length? a. 0.125 T b. 0.25 T c. 0.5 T d. 1.0 T

Q: What magnetic field strength will levitate the 2.0 g wire in the figure? Express your answer in…

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Q: A solenoid of length 0.75 m produces a magnetic field of 7 T along its axis when its coils carry a…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Magnetic field caused by solenoids1) If you have a solenoid with 100 turns/cm and a current of 4A,…

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Q: Two parallel wires carry equal steady currents that travel in opposite directions. What are the…

A: option B is correct for solution see step 2. for this question we need to determine direction of…

Q: A loop of wire is horizontal. A bar magnet is pushed toward the loop from below, along the axis of…

A: (a)   Due to the motion of the magnet towards the loop, the flux linked with the coil will increase.…

Q: 1. Prove that Tesla (T) is the unit for magnetic field B. You may use equations and units within the…

A: we use Ampere's law (which states that the electric current(I) produces magnetic field(B) ) to…

Q: 2. You have a solenoid that is 40 cm long and with 350 turns and want to produce a magnetic field…

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Q: 5. Let's suppose we want to create a magnetic field for an asteroid that does not have one. We can…

A: Given  data The radius of the spherical asteroid is: r = 26 m The magnitude of the magnetic field…

Q: Radio astronomers detect electromagnetic radiation at 61.9 MHz from an interstellar gas cloud. They…

A: frequency (f) = 61.9 MHz

Q: A solenoid is wound with 1700 turns per meter. When the current is 4.4 A, what is the magnetic field…

A: Given data:  Number of turns per meter (n) = 1700 Current (I) = 4.4 A Required: The magnetic field…

Q: Neurons in our bodies carry weak currents that produce detectable magnetic fields. A technique…

A: Magnetic field (B) = 1.0×10-15 T distance (d) = 4 cm = 0.04 m

Q: ton is moving at 12% of the speed of light in the direction which is 20 degrees up from west. It…

A: Given values:- Speed of proton,(v)=0.12 x 3 x 108 m/sec ----(1)   [12% of speed of light]…

Q: A patient with a pacemaker is mistakenly being scanned for an MRI image. A 10.6-cm-long section of…

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Q: An electron starts from rest. There are two charged plates, 12cm apart, which an electric field…

A: Answers: a) 2.26 x 10^7 m/s b) 9.41 x 10^-13 N c) 4.92 x 10^-4 m

Q: Neurons in our bodies carry weak currents that producedetectable magnetic fields. A technique called…

A: Magnetic field due to current carrying wire is,

Q: A solenoid has n turns per length and carries a current I. What is the magnetic field at its center

A: Introduction: We take elements on the solenoid and write the magnetic field due to it and then we…

Q: A proton is moving thru a magnetic field to north w/ the velocity of 4.5x106 m/s . From the magnetic…

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Q: Estimates: since the force it takes to separate one magnet from your refrigerator is nearly the same…

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Q: 1) What are the names of the poles on a magnet and how do you know which pole is on which end of the…

A: poles of magnet

Q: 1. A charged particle moves parallel to a current carrying wire. The charge is positive, and it…

A: Charge particle moves parallel to current carrying wire and charge experiences a repulsive force.

Q: You have designed and constructed a solenoid to produce a magnetic field equal in magnitude to that…

A: Magnetic field B = 5× 10-5 T  No of turn N = 500, Length L = 38cm         L       = 0.38 m So,…

Q: 11. A conductor of mass 40,0 grams per meter is hung by two wires in a 3.60 T field directed out of…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A long solenoid has a length of 0.62 m and contains 1600 turns of wire. There is a current of 2.8 A…

A: Given data :- length L = 0.62 m number of turns N = 1600 current I = 2.8 A

Q: A negatively charged ion with an excess electron moving with a velocity vx = 1.095 x103 m/s is…

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Q: A loudspeaker consists of a cone attached to a current-carrying coil located in a magnetic field.…

A: It is given that the loudspeaker consists of the cone attached to the current carrying coil in the…

Q: Describe: a) the work done by magnetic forces on moving charges. b) the condition for an electric…

A: (A). The work done by magnetic forces is given by W=∫F·dS=Fdscosθ Since the angle between force and…

Q: 6. Which statement is incorrect? (a) The discrepancy between the magnetic S pole and the geographic…

A: Five statements regarding the magnetism are given and we are required to identify the incorrect…

Q: Neurons in our bodies carry weak currents that produce detectable magnetic fields. A technique…

A: Given: Magnetic field B = 1.1×10-15 T Distance from neuron d = 5.2 cm. = 0.052 m.

Q: UCF PHY2054 Post Lab-Unit 09 FlEx and Faraday's Law 1. A magnetic field has a magnitude of 0.078 T…

A: Magnetic flux :  ϕB=B.A=BAcosθ Given : Radius , r =0.10 m Magnetic field , B = 0.078 T Angle between…

Q: The dimension of intensity of magnetic field is: [M°L-T°A'] 2 [M'L'T2A1] 3. [M'LOT2A]

A: We know ,  Force on current carrying wire due to Magnetic field is given by :- F = i (L×B) Where ' i…

Q: 6. Using the right-hand rule, find the direction of the following: a. The force if the velocity is…

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Q: How much current is needed in a 5-winding, 10 cm diameter coil to produce a 0.5 G magnetic field at…

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Q: A long wire and a square loop lie in the plane of the paper. Both carry a current in the direction…

A: Magnetic force acting on the left part of the loop is, F→left=μ0I1I2L2πd1i^=μ0I1I2L2πLi^= μ0I22πi^…

Q: A positive charge is moving along the x-axis in the positive direction. What is the direction of the…

A: The direction the magnetic field produced by a moving charge is perpendicular to the direction of…

Q: 2. A steady current I flows down a long cylindrical wire of radius a in Figure. Find the magnetic…

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Q: I’m having a hard time finding the angle to determine the torque using geometry. The angle is…

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Q: 21. (a) Aircraft sometimes acquire small static charges. Suppose a supersonic jet has a 0.500-µC…

A: The magnetic force acting on a moving charge is given by- F=qvBsinθFor maximum force θ=90oFmax=qvB…

Q: 20 A of current flows through a square loop where each side is 20 cm in length. At each corner of…

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Q: You make a solenoid with 500 turns of wire. The solenoid has a radius of 1.5 cm. You then curve…

A: Given data :- number of turns N = 500 radius of solenoid r' = 1.5 cm = 1.5 × 10-2 mradius of toroid…

Q: Q18: Student A said that the magnetic field outside the long solenoid would be no larger than the…

A: solenoid is a long wire which is turned into a wire wound which forms a helix in geometry. the…

Q: 4. Based on the magnetic field lines shown, what is the orientation of the mystery magnet? S mystery…

A: A magnet consists of a north and a south pole. Magnetic field lines appear to originate from the…