In the figure (Figure 1) a conducting rod of length L = 40.0 cm moves in a magnetic field B of magnitude 0.410 T directed into the plane of the figure. The rod moves with speed v = 5.60 m/s in the direction shown, Part A What is the potential difference between the ends of the rod? Express your answer in volts. V ΑΣφ V = V Part B Figure < 1 of 1 > Which point, a or b, is at higher potential? O a O b х ах
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- Needs Complete typed solution with 100 % accuracy.A 7.0-cm -long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. The total resistance of the wire and rail is 0.30 N. Pulling the wire with a force of 1.3 N causes 4.1 W of power to be dissipated in the circuit. Part A What is the speed of the wire when pulled with 1.3 N ? Express your answer in meters per second. Π ΑΣΦ V = Submit Part B What is the strength of the magnetic field? Express your answer in tesla. —| ΑΣΦ B = Request Answer Submit Request Answer ? ? m/s TA current I is passed through a wire. A second wire of length L is moving perpendicular to the magnetic field generated by the first wire (see sketch below) with velocity v at a distance d. Consider the magnetic field B to be constant over the range / of motion of the second wire (i.e. d > 1). You need to calculate the potential generated between the ends of the second wire. Please select statements that would describe your approach to solving the problem. Wire 1 Wire 2 d a. Use an expression for the electromotive force (EMF) induced by the magnetic field. b. Use the expression for the magnetic force between two current-carrying wires. C. Use the expression for the magnetic field of a current-carrying wire.
- A wire with a length of 3.5 m and a mass of 0.74 kg is in a region of space with a magnetic field of 0.76 T. Part A What is the minimum current needed to levitate the wire? Express your answer using two significant figures. νΠ ΑΣφ I = AHey I am doing some physics homework and am stumped on this question. Any help will be great! Thanks!(Figure 1) shows a circuit with an area of 0.070 m² containing a R = 1.0 N resistor and a C = 230 µF uncharged capacitor. Pointing into the plane of the circuit is a uniform magnetic field of magnitude 0.11 T. In 1.0 × 10-2 s the magnetic field strengthens at a constant rate to become 0.80 T pointing into the plane. Part A What maximum charge (sign and magnitude) accumulates on the upper plate of the capacitor in the diagram? Express your answer to two significant figures and include appropriate units. µA ? Value Units Submit Request Answer Provide Feedback Figure 1 of 1 R
- In Figure 3 a circular loop of wire of radius R is initially located in the plane of the page while a uniform Magnetic field of magnitude 5 T is coming out the page in the 2 = (0,0,1) direction (represented by the "x"'s). At time t = 0 the loop begins to rotate in uniform circular motion such that the top begins moving out of the page and the bottom moves into the page with a frequency of 5 seconds (i.e. the loop has the same orientation as that at t=0). For arbitrary time t > 0 I. II. III. IV. y Determine the unit normal of the area of the loop, ñ, as a function of time. Determine the vector describing the area of the loop, A. Determine the magnetic flux moving through the loop as a function of time. If current is allowed to move through the loop, determine the induced EMF in the conducting loop and the associated induced Electric field (make sure to explain the direction of the Electric field.) X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X…The magnetic field B at all points within the colored circle of the figure (Figure 1)has an initial magnitude of 0.700 T. (The circle could represent approximately the space inside a long, thin solenoid.) The magnetic field is directed into the plane of the diagram and is decreasing at the rate of 0.0300 T/s. Figure X X X X X B X /b X 1 of 1 10.0 cm Part C What is the current in the ring if its resistance is 4.00 $? ΑΣΦ I = Submit Part D X Incorrect; Try Again; 5 attempts remaining What is the emf between points a and b on the ring? ε = Previous Answers Request Answer Submit Part E ΠΙΑΣΦ Request Answer ? IVE ΑΣΦ ? A If the ring is cut at some point and the ends are separated slightly, what will be the emf between the ends? ? VThe coil in a loudspeaker has 40 turns and a radius of 4.2 cm. The magnetic field is perpendicular to the wires in the coil and has a magnitude of 0.36 T. Part A If the current in the coil is 260 mA, what is the total force on the coil? Express your answer to two significant figures and include appropriate units. _O ■ Value μA Units ?
- Please refer to the image:Please solve part A & BThe magnetic force exerted on a 1.2 m segment of straight wire is 1.5 N. The wire carries a current of 3.1 A in a region with a constant magnetic field of 0.51 T. You may want to review (Page 783). Part A What is the angle between the wire and the magnetic field? Express your answer using two significant figures. ΠΑΠ ΑΣΦ ? 0 =